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Finding the Fourth Proportional to 18,577.66, 25,479.54 and 17,814.74

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Solution

The fourth proportional to 18,577.66, 25,479.54 and 17,814.74 is: 24,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.66 : 25,479.54 = 17,814.74 : x
  2. Step 2: Convert to fraction form
    18,577.66/25,479.54 = 17,814.74/x
  3. Step 3: Cross multiply
    18,577.66x = 25,479.54 × 17,814.74
  4. Step 4: Simplify right side
    18,577.66x = 453,911,355.04
  5. Step 5: Solve for x
    x = 453,911,355.04/18,577.66
  6. Step 6: Final answer
    x = 24,433.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.