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Finding the Fourth Proportional to 62,370.90, 86,069.16 and 34,076.70

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Solution

The fourth proportional to 62,370.90, 86,069.16 and 34,076.70 is: 47,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,370.90 : 86,069.16 = 34,076.70 : x
  2. Step 2: Convert to fraction form
    62,370.90/86,069.16 = 34,076.70/x
  3. Step 3: Cross multiply
    62,370.90x = 86,069.16 × 34,076.70
  4. Step 4: Simplify right side
    62,370.90x = 2,932,952,944.57
  5. Step 5: Solve for x
    x = 2,932,952,944.57/62,370.90
  6. Step 6: Final answer
    x = 47,024.38

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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.