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Finding the Fourth Proportional to 10,860.97, 14,988.14 and 5,892.97

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Solution

The fourth proportional to 10,860.97, 14,988.14 and 5,892.97 is: 8,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.97 : 14,988.14 = 5,892.97 : x
  2. Step 2: Convert to fraction form
    10,860.97/14,988.14 = 5,892.97/x
  3. Step 3: Cross multiply
    10,860.97x = 14,988.14 × 5,892.97
  4. Step 4: Simplify right side
    10,860.97x = 88,324,629.91
  5. Step 5: Solve for x
    x = 88,324,629.91/10,860.97
  6. Step 6: Final answer
    x = 8,132.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.