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Finding the Fourth Proportional to 2,673.66, 4,010.48 and 725.86

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Solution

The fourth proportional to 2,673.66, 4,010.48 and 725.86 is: 1,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.66 : 4,010.48 = 725.86 : x
  2. Step 2: Convert to fraction form
    2,673.66/4,010.48 = 725.86/x
  3. Step 3: Cross multiply
    2,673.66x = 4,010.48 × 725.86
  4. Step 4: Simplify right side
    2,673.66x = 2,911,047.01
  5. Step 5: Solve for x
    x = 2,911,047.01/2,673.66
  6. Step 6: Final answer
    x = 1,088.79

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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.