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Finding the Fourth Proportional to 62,320, 86,001.44 and 34,025.68

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Solution

The fourth proportional to 62,320, 86,001.44 and 34,025.68 is: 46,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,320 : 86,001.44 = 34,025.68 : x
  2. Step 2: Convert to fraction form
    62,320/86,001.44 = 34,025.68/x
  3. Step 3: Cross multiply
    62,320x = 86,001.44 × 34,025.68
  4. Step 4: Simplify right side
    62,320x = 2,926,257,476.98
  5. Step 5: Solve for x
    x = 2,926,257,476.98/62,320
  6. Step 6: Final answer
    x = 46,955.35

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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.