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Finding the Fourth Proportional to 3,040.58, 4,560.87 and 960.74

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Solution

The fourth proportional to 3,040.58, 4,560.87 and 960.74 is: 1,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.58 : 4,560.87 = 960.74 : x
  2. Step 2: Convert to fraction form
    3,040.58/4,560.87 = 960.74/x
  3. Step 3: Cross multiply
    3,040.58x = 4,560.87 × 960.74
  4. Step 4: Simplify right side
    3,040.58x = 4,381,787.44
  5. Step 5: Solve for x
    x = 4,381,787.44/3,040.58
  6. Step 6: Final answer
    x = 1,441.10

Related Problems

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Half scale
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Double scale
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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.