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Finding the Fourth Proportional to 5,363.55, 8,045.33 and 4,747.95

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Solution

The fourth proportional to 5,363.55, 8,045.33 and 4,747.95 is: 7,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.55 : 8,045.33 = 4,747.95 : x
  2. Step 2: Convert to fraction form
    5,363.55/8,045.33 = 4,747.95/x
  3. Step 3: Cross multiply
    5,363.55x = 8,045.33 × 4,747.95
  4. Step 4: Simplify right side
    5,363.55x = 38,198,800.83
  5. Step 5: Solve for x
    x = 38,198,800.83/5,363.55
  6. Step 6: Final answer
    x = 7,121.93

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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.