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Finding the Fourth Proportional to 62,508.78, 86,269.01 and 35,657.87

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Solution

The fourth proportional to 62,508.78, 86,269.01 and 35,657.87 is: 49,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508.78 : 86,269.01 = 35,657.87 : x
  2. Step 2: Convert to fraction form
    62,508.78/86,269.01 = 35,657.87/x
  3. Step 3: Cross multiply
    62,508.78x = 86,269.01 × 35,657.87
  4. Step 4: Simplify right side
    62,508.78x = 3,076,168,533.97
  5. Step 5: Solve for x
    x = 3,076,168,533.97/62,508.78
  6. Step 6: Final answer
    x = 49,211.78

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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.