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Finding the Fourth Proportional to 58,306.59, 87,470.97 and 40,370.46

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Solution

The fourth proportional to 58,306.59, 87,470.97 and 40,370.46 is: 60,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,306.59 : 87,470.97 = 40,370.46 : x
  2. Step 2: Convert to fraction form
    58,306.59/87,470.97 = 40,370.46/x
  3. Step 3: Cross multiply
    58,306.59x = 87,470.97 × 40,370.46
  4. Step 4: Simplify right side
    58,306.59x = 3,531,243,295.55
  5. Step 5: Solve for x
    x = 3,531,243,295.55/58,306.59
  6. Step 6: Final answer
    x = 60,563.37

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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.