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Finding the Fourth Proportional to 6,514.32, 9,724.31 and 5,726.12

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Solution

The fourth proportional to 6,514.32, 9,724.31 and 5,726.12 is: 8,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.32 : 9,724.31 = 5,726.12 : x
  2. Step 2: Convert to fraction form
    6,514.32/9,724.31 = 5,726.12/x
  3. Step 3: Cross multiply
    6,514.32x = 9,724.31 × 5,726.12
  4. Step 4: Simplify right side
    6,514.32x = 55,682,537.35
  5. Step 5: Solve for x
    x = 55,682,537.35/6,514.32
  6. Step 6: Final answer
    x = 8,547.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.