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Finding the Fourth Proportional to 8,592.79, 12,889.18 and 2,352.86

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Solution

The fourth proportional to 8,592.79, 12,889.18 and 2,352.86 is: 3,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.79 : 12,889.18 = 2,352.86 : x
  2. Step 2: Convert to fraction form
    8,592.79/12,889.18 = 2,352.86/x
  3. Step 3: Cross multiply
    8,592.79x = 12,889.18 × 2,352.86
  4. Step 4: Simplify right side
    8,592.79x = 30,326,436.05
  5. Step 5: Solve for x
    x = 30,326,436.05/8,592.79
  6. Step 6: Final answer
    x = 3,529.29

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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.