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Finding the Fourth Proportional to 52,124.64, 71,932.28 and 28,251.32

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Solution

The fourth proportional to 52,124.64, 71,932.28 and 28,251.32 is: 38,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.64 : 71,932.28 = 28,251.32 : x
  2. Step 2: Convert to fraction form
    52,124.64/71,932.28 = 28,251.32/x
  3. Step 3: Cross multiply
    52,124.64x = 71,932.28 × 28,251.32
  4. Step 4: Simplify right side
    52,124.64x = 2,032,181,860.61
  5. Step 5: Solve for x
    x = 2,032,181,860.61/52,124.64
  6. Step 6: Final answer
    x = 38,986.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.