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Finding the Fourth Proportional to 17,423.76, 24,044.85 and 9,871.49

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Solution

The fourth proportional to 17,423.76, 24,044.85 and 9,871.49 is: 13,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,423.76 : 24,044.85 = 9,871.49 : x
  2. Step 2: Convert to fraction form
    17,423.76/24,044.85 = 9,871.49/x
  3. Step 3: Cross multiply
    17,423.76x = 24,044.85 × 9,871.49
  4. Step 4: Simplify right side
    17,423.76x = 237,358,556.44
  5. Step 5: Solve for x
    x = 237,358,556.44/17,423.76
  6. Step 6: Final answer
    x = 13,622.69

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1.5x scale

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.