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Finding the Fourth Proportional to 67,925.28, 101,888.29 and 39,825.65

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Solution

The fourth proportional to 67,925.28, 101,888.29 and 39,825.65 is: 59,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,925.28 : 101,888.29 = 39,825.65 : x
  2. Step 2: Convert to fraction form
    67,925.28/101,888.29 = 39,825.65/x
  3. Step 3: Cross multiply
    67,925.28x = 101,888.29 × 39,825.65
  4. Step 4: Simplify right side
    67,925.28x = 4,057,766,767.63
  5. Step 5: Solve for x
    x = 4,057,766,767.63/67,925.28
  6. Step 6: Final answer
    x = 59,738.68

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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.