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Finding the Fourth Proportional to 40,473.61, 60,708.11 and 15,512.65

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Solution

The fourth proportional to 40,473.61, 60,708.11 and 15,512.65 is: 23,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,473.61 : 60,708.11 = 15,512.65 : x
  2. Step 2: Convert to fraction form
    40,473.61/60,708.11 = 15,512.65/x
  3. Step 3: Cross multiply
    40,473.61x = 60,708.11 × 15,512.65
  4. Step 4: Simplify right side
    40,473.61x = 941,743,433.26
  5. Step 5: Solve for x
    x = 941,743,433.26/40,473.61
  6. Step 6: Final answer
    x = 23,268.09

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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.