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Finding the Fourth Proportional to 59,806.92, 89,541.72 and 31,663.20

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Solution

The fourth proportional to 59,806.92, 89,541.72 and 31,663.20 is: 47,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,806.92 : 89,541.72 = 31,663.20 : x
  2. Step 2: Convert to fraction form
    59,806.92/89,541.72 = 31,663.20/x
  3. Step 3: Cross multiply
    59,806.92x = 89,541.72 × 31,663.20
  4. Step 4: Simplify right side
    59,806.92x = 2,835,177,388.70
  5. Step 5: Solve for x
    x = 2,835,177,388.70/59,806.92
  6. Step 6: Final answer
    x = 47,405.51

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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.