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Finding the Fourth Proportional to 8,897.66, 13,350.65 and 3,966.79

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Solution

The fourth proportional to 8,897.66, 13,350.65 and 3,966.79 is: 5,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.66 : 13,350.65 = 3,966.79 : x
  2. Step 2: Convert to fraction form
    8,897.66/13,350.65 = 3,966.79/x
  3. Step 3: Cross multiply
    8,897.66x = 13,350.65 × 3,966.79
  4. Step 4: Simplify right side
    8,897.66x = 52,959,224.91
  5. Step 5: Solve for x
    x = 52,959,224.91/8,897.66
  6. Step 6: Final answer
    x = 5,952.04

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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.