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Finding the Fourth Proportional to 26,487.87, 36,553.71 and 14,551.71

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Solution

The fourth proportional to 26,487.87, 36,553.71 and 14,551.71 is: 20,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.87 : 36,553.71 = 14,551.71 : x
  2. Step 2: Convert to fraction form
    26,487.87/36,553.71 = 14,551.71/x
  3. Step 3: Cross multiply
    26,487.87x = 36,553.71 × 14,551.71
  4. Step 4: Simplify right side
    26,487.87x = 531,918,987.34
  5. Step 5: Solve for x
    x = 531,918,987.34/26,487.87
  6. Step 6: Final answer
    x = 20,081.61

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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.