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Finding the Fourth Proportional to 5,068.72, 7,603.08 and 4,049.20

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Solution

The fourth proportional to 5,068.72, 7,603.08 and 4,049.20 is: 6,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.72 : 7,603.08 = 4,049.20 : x
  2. Step 2: Convert to fraction form
    5,068.72/7,603.08 = 4,049.20/x
  3. Step 3: Cross multiply
    5,068.72x = 7,603.08 × 4,049.20
  4. Step 4: Simplify right side
    5,068.72x = 30,786,391.54
  5. Step 5: Solve for x
    x = 30,786,391.54/5,068.72
  6. Step 6: Final answer
    x = 6,073.80

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1.5x scale

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.