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Finding the Fourth Proportional to 57,575.46, 86,307.78 and 29,508.78

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Solution

The fourth proportional to 57,575.46, 86,307.78 and 29,508.78 is: 44,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.46 : 86,307.78 = 29,508.78 : x
  2. Step 2: Convert to fraction form
    57,575.46/86,307.78 = 29,508.78/x
  3. Step 3: Cross multiply
    57,575.46x = 86,307.78 × 29,508.78
  4. Step 4: Simplify right side
    57,575.46x = 2,546,837,292.31
  5. Step 5: Solve for x
    x = 2,546,837,292.31/57,575.46
  6. Step 6: Final answer
    x = 44,234.77

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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.