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Finding the Fourth Proportional to 58,854.58, 81,220.90 and 31,998.92

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Solution

The fourth proportional to 58,854.58, 81,220.90 and 31,998.92 is: 44,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.58 : 81,220.90 = 31,998.92 : x
  2. Step 2: Convert to fraction form
    58,854.58/81,220.90 = 31,998.92/x
  3. Step 3: Cross multiply
    58,854.58x = 81,220.90 × 31,998.92
  4. Step 4: Simplify right side
    58,854.58x = 2,598,981,081.43
  5. Step 5: Solve for x
    x = 2,598,981,081.43/58,854.58
  6. Step 6: Final answer
    x = 44,159.37

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Double scale
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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.