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Finding the Fourth Proportional to 63,127.52, 94,702.21 and 28,069.91

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Solution

The fourth proportional to 63,127.52, 94,702.21 and 28,069.91 is: 42,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.52 : 94,702.21 = 28,069.91 : x
  2. Step 2: Convert to fraction form
    63,127.52/94,702.21 = 28,069.91/x
  3. Step 3: Cross multiply
    63,127.52x = 94,702.21 × 28,069.91
  4. Step 4: Simplify right side
    63,127.52x = 2,658,282,511.50
  5. Step 5: Solve for x
    x = 2,658,282,511.50/63,127.52
  6. Step 6: Final answer
    x = 42,109.73

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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.