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Finding the Fourth Proportional to 8,901.01, 13,351.65 and 2,659.65

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Solution

The fourth proportional to 8,901.01, 13,351.65 and 2,659.65 is: 3,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.01 : 13,351.65 = 2,659.65 : x
  2. Step 2: Convert to fraction form
    8,901.01/13,351.65 = 2,659.65/x
  3. Step 3: Cross multiply
    8,901.01x = 13,351.65 × 2,659.65
  4. Step 4: Simplify right side
    8,901.01x = 35,510,715.92
  5. Step 5: Solve for x
    x = 35,510,715.92/8,901.01
  6. Step 6: Final answer
    x = 3,989.52

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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.