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Finding the Fourth Proportional to 57,657.56, 86,410.92 and 29,553.80

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Solution

The fourth proportional to 57,657.56, 86,410.92 and 29,553.80 is: 44,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.56 : 86,410.92 = 29,553.80 : x
  2. Step 2: Convert to fraction form
    57,657.56/86,410.92 = 29,553.80/x
  3. Step 3: Cross multiply
    57,657.56x = 86,410.92 × 29,553.80
  4. Step 4: Simplify right side
    57,657.56x = 2,553,771,047.50
  5. Step 5: Solve for x
    x = 2,553,771,047.50/57,657.56
  6. Step 6: Final answer
    x = 44,292.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.