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Finding the Fourth Proportional to 8,869.12, 13,292.18 and 3,597.99

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Solution

The fourth proportional to 8,869.12, 13,292.18 and 3,597.99 is: 5,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.12 : 13,292.18 = 3,597.99 : x
  2. Step 2: Convert to fraction form
    8,869.12/13,292.18 = 3,597.99/x
  3. Step 3: Cross multiply
    8,869.12x = 13,292.18 × 3,597.99
  4. Step 4: Simplify right side
    8,869.12x = 47,825,139.71
  5. Step 5: Solve for x
    x = 47,825,139.71/8,869.12
  6. Step 6: Final answer
    x = 5,392.32

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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.