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Finding the Fourth Proportional to 63,382.93, 87,469.49 and 34,702.12

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Solution

The fourth proportional to 63,382.93, 87,469.49 and 34,702.12 is: 47,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,382.93 : 87,469.49 = 34,702.12 : x
  2. Step 2: Convert to fraction form
    63,382.93/87,469.49 = 34,702.12/x
  3. Step 3: Cross multiply
    63,382.93x = 87,469.49 × 34,702.12
  4. Step 4: Simplify right side
    63,382.93x = 3,035,376,738.32
  5. Step 5: Solve for x
    x = 3,035,376,738.32/63,382.93
  6. Step 6: Final answer
    x = 47,889.50

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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.