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Finding the Fourth Proportional to 47,274.56, 70,873.56 and 17,688.14

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Solution

The fourth proportional to 47,274.56, 70,873.56 and 17,688.14 is: 26,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.56 : 70,873.56 = 17,688.14 : x
  2. Step 2: Convert to fraction form
    47,274.56/70,873.56 = 17,688.14/x
  3. Step 3: Cross multiply
    47,274.56x = 70,873.56 × 17,688.14
  4. Step 4: Simplify right side
    47,274.56x = 1,253,621,451.58
  5. Step 5: Solve for x
    x = 1,253,621,451.58/47,274.56
  6. Step 6: Final answer
    x = 26,517.89

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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.