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Finding the Fourth Proportional to 56,243.73, 77,635.90 and 32,379.92

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Solution

The fourth proportional to 56,243.73, 77,635.90 and 32,379.92 is: 44,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.73 : 77,635.90 = 32,379.92 : x
  2. Step 2: Convert to fraction form
    56,243.73/77,635.90 = 32,379.92/x
  3. Step 3: Cross multiply
    56,243.73x = 77,635.90 × 32,379.92
  4. Step 4: Simplify right side
    56,243.73x = 2,513,844,053.13
  5. Step 5: Solve for x
    x = 2,513,844,053.13/56,243.73
  6. Step 6: Final answer
    x = 44,695.54

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1.5x scale

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.