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Finding the Fourth Proportional to 56,459.50, 77,911.47 and 32,593.86

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Solution

The fourth proportional to 56,459.50, 77,911.47 and 32,593.86 is: 44,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.50 : 77,911.47 = 32,593.86 : x
  2. Step 2: Convert to fraction form
    56,459.50/77,911.47 = 32,593.86/x
  3. Step 3: Cross multiply
    56,459.50x = 77,911.47 × 32,593.86
  4. Step 4: Simplify right side
    56,459.50x = 2,539,435,545.57
  5. Step 5: Solve for x
    x = 2,539,435,545.57/56,459.50
  6. Step 6: Final answer
    x = 44,978.00

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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.