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Finding the Fourth Proportional to 4,641.66, 6,960.04 and 2,666.88

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Solution

The fourth proportional to 4,641.66, 6,960.04 and 2,666.88 is: 3,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.66 : 6,960.04 = 2,666.88 : x
  2. Step 2: Convert to fraction form
    4,641.66/6,960.04 = 2,666.88/x
  3. Step 3: Cross multiply
    4,641.66x = 6,960.04 × 2,666.88
  4. Step 4: Simplify right side
    4,641.66x = 18,561,591.48
  5. Step 5: Solve for x
    x = 18,561,591.48/4,641.66
  6. Step 6: Final answer
    x = 3,998.91

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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.