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Finding the Fourth Proportional to 2,026.81, 3,040.08 and 565.90

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Solution

The fourth proportional to 2,026.81, 3,040.08 and 565.90 is: 848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.81 : 3,040.08 = 565.90 : x
  2. Step 2: Convert to fraction form
    2,026.81/3,040.08 = 565.90/x
  3. Step 3: Cross multiply
    2,026.81x = 3,040.08 × 565.90
  4. Step 4: Simplify right side
    2,026.81x = 1,720,381.27
  5. Step 5: Solve for x
    x = 1,720,381.27/2,026.81
  6. Step 6: Final answer
    x = 848.81

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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.