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Finding the Fourth Proportional to 63,047.62, 87,006.28 and 34,754.32

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Solution

The fourth proportional to 63,047.62, 87,006.28 and 34,754.32 is: 47,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,047.62 : 87,006.28 = 34,754.32 : x
  2. Step 2: Convert to fraction form
    63,047.62/87,006.28 = 34,754.32/x
  3. Step 3: Cross multiply
    63,047.62x = 87,006.28 × 34,754.32
  4. Step 4: Simplify right side
    63,047.62x = 3,023,844,097.13
  5. Step 5: Solve for x
    x = 3,023,844,097.13/63,047.62
  6. Step 6: Final answer
    x = 47,961.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.