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Finding the Fourth Proportional to 10,613.44, 15,843.77 and 9,844.48

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Solution

The fourth proportional to 10,613.44, 15,843.77 and 9,844.48 is: 14,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.44 : 15,843.77 = 9,844.48 : x
  2. Step 2: Convert to fraction form
    10,613.44/15,843.77 = 9,844.48/x
  3. Step 3: Cross multiply
    10,613.44x = 15,843.77 × 9,844.48
  4. Step 4: Simplify right side
    10,613.44x = 155,973,676.89
  5. Step 5: Solve for x
    x = 155,973,676.89/10,613.44
  6. Step 6: Final answer
    x = 14,695.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.