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Finding the Fourth Proportional to 11,149.95, 16,701.12 and 5,868.30

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Solution

The fourth proportional to 11,149.95, 16,701.12 and 5,868.30 is: 8,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.95 : 16,701.12 = 5,868.30 : x
  2. Step 2: Convert to fraction form
    11,149.95/16,701.12 = 5,868.30/x
  3. Step 3: Cross multiply
    11,149.95x = 16,701.12 × 5,868.30
  4. Step 4: Simplify right side
    11,149.95x = 98,007,182.50
  5. Step 5: Solve for x
    x = 98,007,182.50/11,149.95
  6. Step 6: Final answer
    x = 8,789.92

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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.