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Finding the Fourth Proportional to 8,017.89, 12,031.13 and 3,341.13

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Solution

The fourth proportional to 8,017.89, 12,031.13 and 3,341.13 is: 5,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.89 : 12,031.13 = 3,341.13 : x
  2. Step 2: Convert to fraction form
    8,017.89/12,031.13 = 3,341.13/x
  3. Step 3: Cross multiply
    8,017.89x = 12,031.13 × 3,341.13
  4. Step 4: Simplify right side
    8,017.89x = 40,197,569.38
  5. Step 5: Solve for x
    x = 40,197,569.38/8,017.89
  6. Step 6: Final answer
    x = 5,013.48

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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.