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Finding the Fourth Proportional to 10,791.44, 14,891.28 and 6,598.88

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Solution

The fourth proportional to 10,791.44, 14,891.28 and 6,598.88 is: 9,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.44 : 14,891.28 = 6,598.88 : x
  2. Step 2: Convert to fraction form
    10,791.44/14,891.28 = 6,598.88/x
  3. Step 3: Cross multiply
    10,791.44x = 14,891.28 × 6,598.88
  4. Step 4: Simplify right side
    10,791.44x = 98,265,769.77
  5. Step 5: Solve for x
    x = 98,265,769.77/10,791.44
  6. Step 6: Final answer
    x = 9,105.90

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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.