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Finding the Fourth Proportional to 65,491.76, 98,306.37 and 58,043.00

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Solution

The fourth proportional to 65,491.76, 98,306.37 and 58,043.00 is: 87,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.76 : 98,306.37 = 58,043.00 : x
  2. Step 2: Convert to fraction form
    65,491.76/98,306.37 = 58,043.00/x
  3. Step 3: Cross multiply
    65,491.76x = 98,306.37 × 58,043.00
  4. Step 4: Simplify right side
    65,491.76x = 5,705,996,879.68
  5. Step 5: Solve for x
    x = 5,705,996,879.68/65,491.76
  6. Step 6: Final answer
    x = 87,125.41

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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.