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Finding the Fourth Proportional to 7,674.76, 10,591.50 and 4,318.12

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Solution

The fourth proportional to 7,674.76, 10,591.50 and 4,318.12 is: 5,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.76 : 10,591.50 = 4,318.12 : x
  2. Step 2: Convert to fraction form
    7,674.76/10,591.50 = 4,318.12/x
  3. Step 3: Cross multiply
    7,674.76x = 10,591.50 × 4,318.12
  4. Step 4: Simplify right side
    7,674.76x = 45,735,367.98
  5. Step 5: Solve for x
    x = 45,735,367.98/7,674.76
  6. Step 6: Final answer
    x = 5,959.19

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Half scale
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Double scale
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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.