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Finding the Fourth Proportional to 71,566.49, 107,349.73 and 27,182.74

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Solution

The fourth proportional to 71,566.49, 107,349.73 and 27,182.74 is: 40,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.49 : 107,349.73 = 27,182.74 : x
  2. Step 2: Convert to fraction form
    71,566.49/107,349.73 = 27,182.74/x
  3. Step 3: Cross multiply
    71,566.49x = 107,349.73 × 27,182.74
  4. Step 4: Simplify right side
    71,566.49x = 2,918,059,799.66
  5. Step 5: Solve for x
    x = 2,918,059,799.66/71,566.49
  6. Step 6: Final answer
    x = 40,774.11

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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.