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Finding the Fourth Proportional to 2,862.55, 4,294.10 and 888.11

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Solution

The fourth proportional to 2,862.55, 4,294.10 and 888.11 is: 1,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.55 : 4,294.10 = 888.11 : x
  2. Step 2: Convert to fraction form
    2,862.55/4,294.10 = 888.11/x
  3. Step 3: Cross multiply
    2,862.55x = 4,294.10 × 888.11
  4. Step 4: Simplify right side
    2,862.55x = 3,813,613.90
  5. Step 5: Solve for x
    x = 3,813,613.90/2,862.55
  6. Step 6: Final answer
    x = 1,332.24

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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.