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Finding the Fourth Proportional to 62,585.52, 86,368.11 and 34,291.20

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Solution

The fourth proportional to 62,585.52, 86,368.11 and 34,291.20 is: 47,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.52 : 86,368.11 = 34,291.20 : x
  2. Step 2: Convert to fraction form
    62,585.52/86,368.11 = 34,291.20/x
  3. Step 3: Cross multiply
    62,585.52x = 86,368.11 × 34,291.20
  4. Step 4: Simplify right side
    62,585.52x = 2,961,666,133.63
  5. Step 5: Solve for x
    x = 2,961,666,133.63/62,585.52
  6. Step 6: Final answer
    x = 47,321.91

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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.