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Finding the Fourth Proportional to 6,901.44, 10,332.18 and 6,189.18

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Solution

The fourth proportional to 6,901.44, 10,332.18 and 6,189.18 is: 9,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.44 : 10,332.18 = 6,189.18 : x
  2. Step 2: Convert to fraction form
    6,901.44/10,332.18 = 6,189.18/x
  3. Step 3: Cross multiply
    6,901.44x = 10,332.18 × 6,189.18
  4. Step 4: Simplify right side
    6,901.44x = 63,947,721.81
  5. Step 5: Solve for x
    x = 63,947,721.81/6,901.44
  6. Step 6: Final answer
    x = 9,265.85

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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.