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Finding the Fourth Proportional to 6,581.62, 9,875.13 and 2,686.42

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Solution

The fourth proportional to 6,581.62, 9,875.13 and 2,686.42 is: 4,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.62 : 9,875.13 = 2,686.42 : x
  2. Step 2: Convert to fraction form
    6,581.62/9,875.13 = 2,686.42/x
  3. Step 3: Cross multiply
    6,581.62x = 9,875.13 × 2,686.42
  4. Step 4: Simplify right side
    6,581.62x = 26,528,746.73
  5. Step 5: Solve for x
    x = 26,528,746.73/6,581.62
  6. Step 6: Final answer
    x = 4,030.73

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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.