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Finding the Fourth Proportional to 8,789.16, 13,186.17 and 3,598.68

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Solution

The fourth proportional to 8,789.16, 13,186.17 and 3,598.68 is: 5,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.16 : 13,186.17 = 3,598.68 : x
  2. Step 2: Convert to fraction form
    8,789.16/13,186.17 = 3,598.68/x
  3. Step 3: Cross multiply
    8,789.16x = 13,186.17 × 3,598.68
  4. Step 4: Simplify right side
    8,789.16x = 47,452,806.26
  5. Step 5: Solve for x
    x = 47,452,806.26/8,789.16
  6. Step 6: Final answer
    x = 5,399.01

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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.