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Finding the Fourth Proportional to 5,815.74, 8,707.62 and 4,062.48

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Solution

The fourth proportional to 5,815.74, 8,707.62 and 4,062.48 is: 6,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.74 : 8,707.62 = 4,062.48 : x
  2. Step 2: Convert to fraction form
    5,815.74/8,707.62 = 4,062.48/x
  3. Step 3: Cross multiply
    5,815.74x = 8,707.62 × 4,062.48
  4. Step 4: Simplify right side
    5,815.74x = 35,374,532.10
  5. Step 5: Solve for x
    x = 35,374,532.10/5,815.74
  6. Step 6: Final answer
    x = 6,082.55

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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.