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Finding the Fourth Proportional to 16,601.76, 24,909.93 and 8,811.18

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Solution

The fourth proportional to 16,601.76, 24,909.93 and 8,811.18 is: 13,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.76 : 24,909.93 = 8,811.18 : x
  2. Step 2: Convert to fraction form
    16,601.76/24,909.93 = 8,811.18/x
  3. Step 3: Cross multiply
    16,601.76x = 24,909.93 × 8,811.18
  4. Step 4: Simplify right side
    16,601.76x = 219,485,877.02
  5. Step 5: Solve for x
    x = 219,485,877.02/16,601.76
  6. Step 6: Final answer
    x = 13,220.64

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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.