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Finding the Fourth Proportional to 5,752.90, 8,616.57 and 5,613.22

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Solution

The fourth proportional to 5,752.90, 8,616.57 and 5,613.22 is: 8,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.90 : 8,616.57 = 5,613.22 : x
  2. Step 2: Convert to fraction form
    5,752.90/8,616.57 = 5,613.22/x
  3. Step 3: Cross multiply
    5,752.90x = 8,616.57 × 5,613.22
  4. Step 4: Simplify right side
    5,752.90x = 48,366,703.06
  5. Step 5: Solve for x
    x = 48,366,703.06/5,752.90
  6. Step 6: Final answer
    x = 8,407.36

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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.