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Finding the Fourth Proportional to 71,366.52, 107,064.81 and 26,992.30

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Solution

The fourth proportional to 71,366.52, 107,064.81 and 26,992.30 is: 40,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.52 : 107,064.81 = 26,992.30 : x
  2. Step 2: Convert to fraction form
    71,366.52/107,064.81 = 26,992.30/x
  3. Step 3: Cross multiply
    71,366.52x = 107,064.81 × 26,992.30
  4. Step 4: Simplify right side
    71,366.52x = 2,889,925,470.96
  5. Step 5: Solve for x
    x = 2,889,925,470.96/71,366.52
  6. Step 6: Final answer
    x = 40,494.13

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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.