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Finding the Fourth Proportional to 6,514.91, 9,765.18 and 3,003.92

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Solution

The fourth proportional to 6,514.91, 9,765.18 and 3,003.92 is: 4,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.91 : 9,765.18 = 3,003.92 : x
  2. Step 2: Convert to fraction form
    6,514.91/9,765.18 = 3,003.92/x
  3. Step 3: Cross multiply
    6,514.91x = 9,765.18 × 3,003.92
  4. Step 4: Simplify right side
    6,514.91x = 29,333,819.51
  5. Step 5: Solve for x
    x = 29,333,819.51/6,514.91
  6. Step 6: Final answer
    x = 4,502.57

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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.