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Finding the Fourth Proportional to 8,757.67, 13,143.51 and 4,600.13

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Solution

The fourth proportional to 8,757.67, 13,143.51 and 4,600.13 is: 6,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.67 : 13,143.51 = 4,600.13 : x
  2. Step 2: Convert to fraction form
    8,757.67/13,143.51 = 4,600.13/x
  3. Step 3: Cross multiply
    8,757.67x = 13,143.51 × 4,600.13
  4. Step 4: Simplify right side
    8,757.67x = 60,461,904.77
  5. Step 5: Solve for x
    x = 60,461,904.77/8,757.67
  6. Step 6: Final answer
    x = 6,903.88

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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.