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Finding the Fourth Proportional to 58,808.80, 81,155.15 and 31,951.73

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Solution

The fourth proportional to 58,808.80, 81,155.15 and 31,951.73 is: 44,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.80 : 81,155.15 = 31,951.73 : x
  2. Step 2: Convert to fraction form
    58,808.80/81,155.15 = 31,951.73/x
  3. Step 3: Cross multiply
    58,808.80x = 81,155.15 × 31,951.73
  4. Step 4: Simplify right side
    58,808.80x = 2,593,047,603.86
  5. Step 5: Solve for x
    x = 2,593,047,603.86/58,808.80
  6. Step 6: Final answer
    x = 44,092.85

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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.