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Finding the Fourth Proportional to 57,597.68, 86,235.96 and 29,457.20

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Solution

The fourth proportional to 57,597.68, 86,235.96 and 29,457.20 is: 44,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,597.68 : 86,235.96 = 29,457.20 : x
  2. Step 2: Convert to fraction form
    57,597.68/86,235.96 = 29,457.20/x
  3. Step 3: Cross multiply
    57,597.68x = 86,235.96 × 29,457.20
  4. Step 4: Simplify right side
    57,597.68x = 2,540,269,920.91
  5. Step 5: Solve for x
    x = 2,540,269,920.91/57,597.68
  6. Step 6: Final answer
    x = 44,103.68

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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.