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Finding the Fourth Proportional to 6,673.68, 9,990.46 and 6,514.51

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Solution

The fourth proportional to 6,673.68, 9,990.46 and 6,514.51 is: 9,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.68 : 9,990.46 = 6,514.51 : x
  2. Step 2: Convert to fraction form
    6,673.68/9,990.46 = 6,514.51/x
  3. Step 3: Cross multiply
    6,673.68x = 9,990.46 × 6,514.51
  4. Step 4: Simplify right side
    6,673.68x = 65,082,951.57
  5. Step 5: Solve for x
    x = 65,082,951.57/6,673.68
  6. Step 6: Final answer
    x = 9,752.18

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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.