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Finding the Fourth Proportional to 31,993.52, 48,007.56 and 15,577.52

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Solution

The fourth proportional to 31,993.52, 48,007.56 and 15,577.52 is: 23,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.52 : 48,007.56 = 15,577.52 : x
  2. Step 2: Convert to fraction form
    31,993.52/48,007.56 = 15,577.52/x
  3. Step 3: Cross multiply
    31,993.52x = 48,007.56 × 15,577.52
  4. Step 4: Simplify right side
    31,993.52x = 747,838,726.05
  5. Step 5: Solve for x
    x = 747,838,726.05/31,993.52
  6. Step 6: Final answer
    x = 23,374.69

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1.5x scale

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.