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Finding the Fourth Proportional to 2,095.52, 3,143.28 and 863.06

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Solution

The fourth proportional to 2,095.52, 3,143.28 and 863.06 is: 1,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.52 : 3,143.28 = 863.06 : x
  2. Step 2: Convert to fraction form
    2,095.52/3,143.28 = 863.06/x
  3. Step 3: Cross multiply
    2,095.52x = 3,143.28 × 863.06
  4. Step 4: Simplify right side
    2,095.52x = 2,712,839.24
  5. Step 5: Solve for x
    x = 2,712,839.24/2,095.52
  6. Step 6: Final answer
    x = 1,294.59

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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.