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Finding the Fourth Proportional to 5,613.44, 7,752.12 and 4,622

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Solution

The fourth proportional to 5,613.44, 7,752.12 and 4,622 is: 6,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.44 : 7,752.12 = 4,622 : x
  2. Step 2: Convert to fraction form
    5,613.44/7,752.12 = 4,622/x
  3. Step 3: Cross multiply
    5,613.44x = 7,752.12 × 4,622
  4. Step 4: Simplify right side
    5,613.44x = 35,830,298.64
  5. Step 5: Solve for x
    x = 35,830,298.64/5,613.44
  6. Step 6: Final answer
    x = 6,382.95

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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.