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Finding the Fourth Proportional to 53,395.32, 80,125.92 and 27,118.92

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Solution

The fourth proportional to 53,395.32, 80,125.92 and 27,118.92 is: 40,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.32 : 80,125.92 = 27,118.92 : x
  2. Step 2: Convert to fraction form
    53,395.32/80,125.92 = 27,118.92/x
  3. Step 3: Cross multiply
    53,395.32x = 80,125.92 × 27,118.92
  4. Step 4: Simplify right side
    53,395.32x = 2,172,928,414.41
  5. Step 5: Solve for x
    x = 2,172,928,414.41/53,395.32
  6. Step 6: Final answer
    x = 40,695.11

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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.