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Finding the Fourth Proportional to 16,622.55, 24,943.13 and 8,831.16

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Solution

The fourth proportional to 16,622.55, 24,943.13 and 8,831.16 is: 13,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.55 : 24,943.13 = 8,831.16 : x
  2. Step 2: Convert to fraction form
    16,622.55/24,943.13 = 8,831.16/x
  3. Step 3: Cross multiply
    16,622.55x = 24,943.13 × 8,831.16
  4. Step 4: Simplify right side
    16,622.55x = 220,276,727.78
  5. Step 5: Solve for x
    x = 220,276,727.78/16,622.55
  6. Step 6: Final answer
    x = 13,251.68

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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.