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Finding the Fourth Proportional to 62,340.60, 86,028.66 and 34,046.40

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Solution

The fourth proportional to 62,340.60, 86,028.66 and 34,046.40 is: 46,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,340.60 : 86,028.66 = 34,046.40 : x
  2. Step 2: Convert to fraction form
    62,340.60/86,028.66 = 34,046.40/x
  3. Step 3: Cross multiply
    62,340.60x = 86,028.66 × 34,046.40
  4. Step 4: Simplify right side
    62,340.60x = 2,928,966,169.82
  5. Step 5: Solve for x
    x = 2,928,966,169.82/62,340.60
  6. Step 6: Final answer
    x = 46,983.28

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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.