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Finding the Fourth Proportional to 3,324.81, 4,988.13 and 1,133.71

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Solution

The fourth proportional to 3,324.81, 4,988.13 and 1,133.71 is: 1,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.81 : 4,988.13 = 1,133.71 : x
  2. Step 2: Convert to fraction form
    3,324.81/4,988.13 = 1,133.71/x
  3. Step 3: Cross multiply
    3,324.81x = 4,988.13 × 1,133.71
  4. Step 4: Simplify right side
    3,324.81x = 5,655,092.86
  5. Step 5: Solve for x
    x = 5,655,092.86/3,324.81
  6. Step 6: Final answer
    x = 1,700.88

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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.