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Finding the Fourth Proportional to 18,105.57, 24,992.64 and 17,606.19

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Solution

The fourth proportional to 18,105.57, 24,992.64 and 17,606.19 is: 24,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.57 : 24,992.64 = 17,606.19 : x
  2. Step 2: Convert to fraction form
    18,105.57/24,992.64 = 17,606.19/x
  3. Step 3: Cross multiply
    18,105.57x = 24,992.64 × 17,606.19
  4. Step 4: Simplify right side
    18,105.57x = 440,025,168.44
  5. Step 5: Solve for x
    x = 440,025,168.44/18,105.57
  6. Step 6: Final answer
    x = 24,303.30

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Half scale
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Double scale
Find fourth proportional to 18,106.57, 24,994.02 and 17,607.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.