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Finding the Fourth Proportional to 3,059.73, 4,589.60 and 868.48

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Solution

The fourth proportional to 3,059.73, 4,589.60 and 868.48 is: 1,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.73 : 4,589.60 = 868.48 : x
  2. Step 2: Convert to fraction form
    3,059.73/4,589.60 = 868.48/x
  3. Step 3: Cross multiply
    3,059.73x = 4,589.60 × 868.48
  4. Step 4: Simplify right side
    3,059.73x = 3,985,975.81
  5. Step 5: Solve for x
    x = 3,985,975.81/3,059.73
  6. Step 6: Final answer
    x = 1,302.72

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.