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Finding the Fourth Proportional to 58,940.79, 88,412.12 and 32,811.61

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Solution

The fourth proportional to 58,940.79, 88,412.12 and 32,811.61 is: 49,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,940.79 : 88,412.12 = 32,811.61 : x
  2. Step 2: Convert to fraction form
    58,940.79/88,412.12 = 32,811.61/x
  3. Step 3: Cross multiply
    58,940.79x = 88,412.12 × 32,811.61
  4. Step 4: Simplify right side
    58,940.79x = 2,900,943,836.66
  5. Step 5: Solve for x
    x = 2,900,943,836.66/58,940.79
  6. Step 6: Final answer
    x = 49,217.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.