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Finding the Fourth Proportional to 18,017.35, 24,808.90 and 16,327.76

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Solution

The fourth proportional to 18,017.35, 24,808.90 and 16,327.76 is: 22,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.35 : 24,808.90 = 16,327.76 : x
  2. Step 2: Convert to fraction form
    18,017.35/24,808.90 = 16,327.76/x
  3. Step 3: Cross multiply
    18,017.35x = 24,808.90 × 16,327.76
  4. Step 4: Simplify right side
    18,017.35x = 405,073,765.06
  5. Step 5: Solve for x
    x = 405,073,765.06/18,017.35
  6. Step 6: Final answer
    x = 22,482.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.