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Finding the Fourth Proportional to 8,911.01, 13,366.49 and 2,671.68

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Solution

The fourth proportional to 8,911.01, 13,366.49 and 2,671.68 is: 4,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.01 : 13,366.49 = 2,671.68 : x
  2. Step 2: Convert to fraction form
    8,911.01/13,366.49 = 2,671.68/x
  3. Step 3: Cross multiply
    8,911.01x = 13,366.49 × 2,671.68
  4. Step 4: Simplify right side
    8,911.01x = 35,711,020.77
  5. Step 5: Solve for x
    x = 35,711,020.77/8,911.01
  6. Step 6: Final answer
    x = 4,007.52

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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.