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Finding the Fourth Proportional to 6,966.48, 10,449.72 and 6,560.76

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Solution

The fourth proportional to 6,966.48, 10,449.72 and 6,560.76 is: 9,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.48 : 10,449.72 = 6,560.76 : x
  2. Step 2: Convert to fraction form
    6,966.48/10,449.72 = 6,560.76/x
  3. Step 3: Cross multiply
    6,966.48x = 10,449.72 × 6,560.76
  4. Step 4: Simplify right side
    6,966.48x = 68,558,104.99
  5. Step 5: Solve for x
    x = 68,558,104.99/6,966.48
  6. Step 6: Final answer
    x = 9,841.14

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Similar ratio
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1.5x scale

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.