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Finding the Fourth Proportional to 47,376.52, 71,065.02 and 19,674.52

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Solution

The fourth proportional to 47,376.52, 71,065.02 and 19,674.52 is: 29,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.52 : 71,065.02 = 19,674.52 : x
  2. Step 2: Convert to fraction form
    47,376.52/71,065.02 = 19,674.52/x
  3. Step 3: Cross multiply
    47,376.52x = 71,065.02 × 19,674.52
  4. Step 4: Simplify right side
    47,376.52x = 1,398,170,157.29
  5. Step 5: Solve for x
    x = 1,398,170,157.29/47,376.52
  6. Step 6: Final answer
    x = 29,511.88

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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.