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Finding the Fourth Proportional to 47,393.72, 71,066.72 and 15,792.58

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Solution

The fourth proportional to 47,393.72, 71,066.72 and 15,792.58 is: 23,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.72 : 71,066.72 = 15,792.58 : x
  2. Step 2: Convert to fraction form
    47,393.72/71,066.72 = 15,792.58/x
  3. Step 3: Cross multiply
    47,393.72x = 71,066.72 × 15,792.58
  4. Step 4: Simplify right side
    47,393.72x = 1,122,326,860.94
  5. Step 5: Solve for x
    x = 1,122,326,860.94/47,393.72
  6. Step 6: Final answer
    x = 23,680.92

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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.