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Finding the Fourth Proportional to 47,885.68, 71,818.68 and 18,296.88

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Solution

The fourth proportional to 47,885.68, 71,818.68 and 18,296.88 is: 27,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.68 : 71,818.68 = 18,296.88 : x
  2. Step 2: Convert to fraction form
    47,885.68/71,818.68 = 18,296.88/x
  3. Step 3: Cross multiply
    47,885.68x = 71,818.68 × 18,296.88
  4. Step 4: Simplify right side
    47,885.68x = 1,314,057,769.72
  5. Step 5: Solve for x
    x = 1,314,057,769.72/47,885.68
  6. Step 6: Final answer
    x = 27,441.56

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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.