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Finding the Fourth Proportional to 56,773.92, 78,348.60 and 35,565.66

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Solution

The fourth proportional to 56,773.92, 78,348.60 and 35,565.66 is: 49,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773.92 : 78,348.60 = 35,565.66 : x
  2. Step 2: Convert to fraction form
    56,773.92/78,348.60 = 35,565.66/x
  3. Step 3: Cross multiply
    56,773.92x = 78,348.60 × 35,565.66
  4. Step 4: Simplify right side
    56,773.92x = 2,786,519,669.08
  5. Step 5: Solve for x
    x = 2,786,519,669.08/56,773.92
  6. Step 6: Final answer
    x = 49,080.98

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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.