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Finding the Fourth Proportional to 47,995.52, 71,905.68 and 35,376.56

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Solution

The fourth proportional to 47,995.52, 71,905.68 and 35,376.56 is: 53,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,995.52 : 71,905.68 = 35,376.56 : x
  2. Step 2: Convert to fraction form
    47,995.52/71,905.68 = 35,376.56/x
  3. Step 3: Cross multiply
    47,995.52x = 71,905.68 × 35,376.56
  4. Step 4: Simplify right side
    47,995.52x = 2,543,775,602.86
  5. Step 5: Solve for x
    x = 2,543,775,602.86/47,995.52
  6. Step 6: Final answer
    x = 53,000.27

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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.