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Finding the Fourth Proportional to 6,366.48, 9,544.80 and 2,666.64

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Solution

The fourth proportional to 6,366.48, 9,544.80 and 2,666.64 is: 3,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.48 : 9,544.80 = 2,666.64 : x
  2. Step 2: Convert to fraction form
    6,366.48/9,544.80 = 2,666.64/x
  3. Step 3: Cross multiply
    6,366.48x = 9,544.80 × 2,666.64
  4. Step 4: Simplify right side
    6,366.48x = 25,452,545.47
  5. Step 5: Solve for x
    x = 25,452,545.47/6,366.48
  6. Step 6: Final answer
    x = 3,997.90

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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.