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Finding the Fourth Proportional to 5,062.65, 7,563.90 and 4,890.39

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Solution

The fourth proportional to 5,062.65, 7,563.90 and 4,890.39 is: 7,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.65 : 7,563.90 = 4,890.39 : x
  2. Step 2: Convert to fraction form
    5,062.65/7,563.90 = 4,890.39/x
  3. Step 3: Cross multiply
    5,062.65x = 7,563.90 × 4,890.39
  4. Step 4: Simplify right side
    5,062.65x = 36,990,420.92
  5. Step 5: Solve for x
    x = 36,990,420.92/5,062.65
  6. Step 6: Final answer
    x = 7,306.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.