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Finding the Fourth Proportional to 71,492.37, 107,254.14 and 27,119.58

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Solution

The fourth proportional to 71,492.37, 107,254.14 and 27,119.58 is: 40,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,492.37 : 107,254.14 = 27,119.58 : x
  2. Step 2: Convert to fraction form
    71,492.37/107,254.14 = 27,119.58/x
  3. Step 3: Cross multiply
    71,492.37x = 107,254.14 × 27,119.58
  4. Step 4: Simplify right side
    71,492.37x = 2,908,687,230.06
  5. Step 5: Solve for x
    x = 2,908,687,230.06/71,492.37
  6. Step 6: Final answer
    x = 40,685.28

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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.