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Finding the Fourth Proportional to 69,866.47, 104,717.68 and 32,347.28

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Solution

The fourth proportional to 69,866.47, 104,717.68 and 32,347.28 is: 48,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,866.47 : 104,717.68 = 32,347.28 : x
  2. Step 2: Convert to fraction form
    69,866.47/104,717.68 = 32,347.28/x
  3. Step 3: Cross multiply
    69,866.47x = 104,717.68 × 32,347.28
  4. Step 4: Simplify right side
    69,866.47x = 3,387,332,296.84
  5. Step 5: Solve for x
    x = 3,387,332,296.84/69,866.47
  6. Step 6: Final answer
    x = 48,482.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.