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Finding the Fourth Proportional to 71,809.64, 107,763.67 and 25,062.52

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Solution

The fourth proportional to 71,809.64, 107,763.67 and 25,062.52 is: 37,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,809.64 : 107,763.67 = 25,062.52 : x
  2. Step 2: Convert to fraction form
    71,809.64/107,763.67 = 25,062.52/x
  3. Step 3: Cross multiply
    71,809.64x = 107,763.67 × 25,062.52
  4. Step 4: Simplify right side
    71,809.64x = 2,700,828,802.58
  5. Step 5: Solve for x
    x = 2,700,828,802.58/71,809.64
  6. Step 6: Final answer
    x = 37,610.95

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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.