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Finding the Fourth Proportional to 71,495.76, 107,271.89 and 27,134.29

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Solution

The fourth proportional to 71,495.76, 107,271.89 and 27,134.29 is: 40,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.76 : 107,271.89 = 27,134.29 : x
  2. Step 2: Convert to fraction form
    71,495.76/107,271.89 = 27,134.29/x
  3. Step 3: Cross multiply
    71,495.76x = 107,271.89 × 27,134.29
  4. Step 4: Simplify right side
    71,495.76x = 2,910,746,824.91
  5. Step 5: Solve for x
    x = 2,910,746,824.91/71,495.76
  6. Step 6: Final answer
    x = 40,712.16

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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.