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Finding the Fourth Proportional to 7,160.28, 10,682.28 and 6,772.76

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Solution

The fourth proportional to 7,160.28, 10,682.28 and 6,772.76 is: 10,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.28 : 10,682.28 = 6,772.76 : x
  2. Step 2: Convert to fraction form
    7,160.28/10,682.28 = 6,772.76/x
  3. Step 3: Cross multiply
    7,160.28x = 10,682.28 × 6,772.76
  4. Step 4: Simplify right side
    7,160.28x = 72,348,505.34
  5. Step 5: Solve for x
    x = 72,348,505.34/7,160.28
  6. Step 6: Final answer
    x = 10,104.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.