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Finding the Fourth Proportional to 2,026.77, 3,040.12 and 710.54

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Solution

The fourth proportional to 2,026.77, 3,040.12 and 710.54 is: 1,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.77 : 3,040.12 = 710.54 : x
  2. Step 2: Convert to fraction form
    2,026.77/3,040.12 = 710.54/x
  3. Step 3: Cross multiply
    2,026.77x = 3,040.12 × 710.54
  4. Step 4: Simplify right side
    2,026.77x = 2,160,126.86
  5. Step 5: Solve for x
    x = 2,160,126.86/2,026.77
  6. Step 6: Final answer
    x = 1,065.80

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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.