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Finding the Fourth Proportional to 6,731.71, 10,100.49 and 2,572.99

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Solution

The fourth proportional to 6,731.71, 10,100.49 and 2,572.99 is: 3,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.71 : 10,100.49 = 2,572.99 : x
  2. Step 2: Convert to fraction form
    6,731.71/10,100.49 = 2,572.99/x
  3. Step 3: Cross multiply
    6,731.71x = 10,100.49 × 2,572.99
  4. Step 4: Simplify right side
    6,731.71x = 25,988,459.77
  5. Step 5: Solve for x
    x = 25,988,459.77/6,731.71
  6. Step 6: Final answer
    x = 3,860.60

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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.