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Finding the Fourth Proportional to 3,301.68, 4,952.04 and 992.88

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Solution

The fourth proportional to 3,301.68, 4,952.04 and 992.88 is: 1,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.68 : 4,952.04 = 992.88 : x
  2. Step 2: Convert to fraction form
    3,301.68/4,952.04 = 992.88/x
  3. Step 3: Cross multiply
    3,301.68x = 4,952.04 × 992.88
  4. Step 4: Simplify right side
    3,301.68x = 4,916,781.48
  5. Step 5: Solve for x
    x = 4,916,781.48/3,301.68
  6. Step 6: Final answer
    x = 1,489.18

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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.