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Finding the Fourth Proportional to 2,673.67, 4,010.49 and 725.87

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Solution

The fourth proportional to 2,673.67, 4,010.49 and 725.87 is: 1,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.67 : 4,010.49 = 725.87 : x
  2. Step 2: Convert to fraction form
    2,673.67/4,010.49 = 725.87/x
  3. Step 3: Cross multiply
    2,673.67x = 4,010.49 × 725.87
  4. Step 4: Simplify right side
    2,673.67x = 2,911,094.38
  5. Step 5: Solve for x
    x = 2,911,094.38/2,673.67
  6. Step 6: Final answer
    x = 1,088.80

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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.