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Finding the Fourth Proportional to 7,017.68, 10,532.64 and 2,859.96

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Solution

The fourth proportional to 7,017.68, 10,532.64 and 2,859.96 is: 4,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.68 : 10,532.64 = 2,859.96 : x
  2. Step 2: Convert to fraction form
    7,017.68/10,532.64 = 2,859.96/x
  3. Step 3: Cross multiply
    7,017.68x = 10,532.64 × 2,859.96
  4. Step 4: Simplify right side
    7,017.68x = 30,122,929.09
  5. Step 5: Solve for x
    x = 30,122,929.09/7,017.68
  6. Step 6: Final answer
    x = 4,292.43

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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.