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Finding the Fourth Proportional to 6,540.70, 9,028.11 and 4,304.29

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Solution

The fourth proportional to 6,540.70, 9,028.11 and 4,304.29 is: 5,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.70 : 9,028.11 = 4,304.29 : x
  2. Step 2: Convert to fraction form
    6,540.70/9,028.11 = 4,304.29/x
  3. Step 3: Cross multiply
    6,540.70x = 9,028.11 × 4,304.29
  4. Step 4: Simplify right side
    6,540.70x = 38,859,603.59
  5. Step 5: Solve for x
    x = 38,859,603.59/6,540.70
  6. Step 6: Final answer
    x = 5,941.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.