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Finding the Fourth Proportional to 62,331, 86,017.23 and 34,036.70

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Solution

The fourth proportional to 62,331, 86,017.23 and 34,036.70 is: 46,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,331 : 86,017.23 = 34,036.70 : x
  2. Step 2: Convert to fraction form
    62,331/86,017.23 = 34,036.70/x
  3. Step 3: Cross multiply
    62,331x = 86,017.23 × 34,036.70
  4. Step 4: Simplify right side
    62,331x = 2,927,742,222.25
  5. Step 5: Solve for x
    x = 2,927,742,222.25/62,331
  6. Step 6: Final answer
    x = 46,970.88

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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.