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Finding the Fourth Proportional to 29,987.91, 44,983.49 and 7,801.34

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Solution

The fourth proportional to 29,987.91, 44,983.49 and 7,801.34 is: 11,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.91 : 44,983.49 = 7,801.34 : x
  2. Step 2: Convert to fraction form
    29,987.91/44,983.49 = 7,801.34/x
  3. Step 3: Cross multiply
    29,987.91x = 44,983.49 × 7,801.34
  4. Step 4: Simplify right side
    29,987.91x = 350,931,235.95
  5. Step 5: Solve for x
    x = 350,931,235.95/29,987.91
  6. Step 6: Final answer
    x = 11,702.42

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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.