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Finding the Fourth Proportional to 62,572.56, 86,283.48 and 51,156.72

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Solution

The fourth proportional to 62,572.56, 86,283.48 and 51,156.72 is: 70,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,572.56 : 86,283.48 = 51,156.72 : x
  2. Step 2: Convert to fraction form
    62,572.56/86,283.48 = 51,156.72/x
  3. Step 3: Cross multiply
    62,572.56x = 86,283.48 × 51,156.72
  4. Step 4: Simplify right side
    62,572.56x = 4,413,979,826.99
  5. Step 5: Solve for x
    x = 4,413,979,826.99/62,572.56
  6. Step 6: Final answer
    x = 70,541.78

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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.