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Finding the Fourth Proportional to 2,543.52, 3,508.08 and 1,612.32

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Solution

The fourth proportional to 2,543.52, 3,508.08 and 1,612.32 is: 2,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.52 : 3,508.08 = 1,612.32 : x
  2. Step 2: Convert to fraction form
    2,543.52/3,508.08 = 1,612.32/x
  3. Step 3: Cross multiply
    2,543.52x = 3,508.08 × 1,612.32
  4. Step 4: Simplify right side
    2,543.52x = 5,656,147.55
  5. Step 5: Solve for x
    x = 5,656,147.55/2,543.52
  6. Step 6: Final answer
    x = 2,223.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.