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Finding the Fourth Proportional to 19,841.88, 29,753.02 and 9,835.14

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Solution

The fourth proportional to 19,841.88, 29,753.02 and 9,835.14 is: 14,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.88 : 29,753.02 = 9,835.14 : x
  2. Step 2: Convert to fraction form
    19,841.88/29,753.02 = 9,835.14/x
  3. Step 3: Cross multiply
    19,841.88x = 29,753.02 × 9,835.14
  4. Step 4: Simplify right side
    19,841.88x = 292,625,117.12
  5. Step 5: Solve for x
    x = 292,625,117.12/19,841.88
  6. Step 6: Final answer
    x = 14,747.85

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1.5x scale

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.