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Finding the Fourth Proportional to 8,831.03, 13,249.17 and 5,126.49

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Solution

The fourth proportional to 8,831.03, 13,249.17 and 5,126.49 is: 7,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.03 : 13,249.17 = 5,126.49 : x
  2. Step 2: Convert to fraction form
    8,831.03/13,249.17 = 5,126.49/x
  3. Step 3: Cross multiply
    8,831.03x = 13,249.17 × 5,126.49
  4. Step 4: Simplify right side
    8,831.03x = 67,921,737.51
  5. Step 5: Solve for x
    x = 67,921,737.51/8,831.03
  6. Step 6: Final answer
    x = 7,691.26

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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.