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Finding the Fourth Proportional to 6,673.76, 10,005.23 and 2,781.08

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Solution

The fourth proportional to 6,673.76, 10,005.23 and 2,781.08 is: 4,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.76 : 10,005.23 = 2,781.08 : x
  2. Step 2: Convert to fraction form
    6,673.76/10,005.23 = 2,781.08/x
  3. Step 3: Cross multiply
    6,673.76x = 10,005.23 × 2,781.08
  4. Step 4: Simplify right side
    6,673.76x = 27,825,301.97
  5. Step 5: Solve for x
    x = 27,825,301.97/6,673.76
  6. Step 6: Final answer
    x = 4,169.36

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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.