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Finding the Fourth Proportional to 16,544.58, 22,831.74 and 8,991.02

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Solution

The fourth proportional to 16,544.58, 22,831.74 and 8,991.02 is: 12,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,544.58 : 22,831.74 = 8,991.02 : x
  2. Step 2: Convert to fraction form
    16,544.58/22,831.74 = 8,991.02/x
  3. Step 3: Cross multiply
    16,544.58x = 22,831.74 × 8,991.02
  4. Step 4: Simplify right side
    16,544.58x = 205,280,630.97
  5. Step 5: Solve for x
    x = 205,280,630.97/16,544.58
  6. Step 6: Final answer
    x = 12,407.73

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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.