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Finding the Fourth Proportional to 1,060.76, 1,463.58 and 635.53

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Solution

The fourth proportional to 1,060.76, 1,463.58 and 635.53 is: 876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.76 : 1,463.58 = 635.53 : x
  2. Step 2: Convert to fraction form
    1,060.76/1,463.58 = 635.53/x
  3. Step 3: Cross multiply
    1,060.76x = 1,463.58 × 635.53
  4. Step 4: Simplify right side
    1,060.76x = 930,141.68
  5. Step 5: Solve for x
    x = 930,141.68/1,060.76
  6. Step 6: Final answer
    x = 876.87

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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.