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Finding the Fourth Proportional to 8,592.60, 12,892.96 and 4,696.88

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Solution

The fourth proportional to 8,592.60, 12,892.96 and 4,696.88 is: 7,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.60 : 12,892.96 = 4,696.88 : x
  2. Step 2: Convert to fraction form
    8,592.60/12,892.96 = 4,696.88/x
  3. Step 3: Cross multiply
    8,592.60x = 12,892.96 × 4,696.88
  4. Step 4: Simplify right side
    8,592.60x = 60,556,685.96
  5. Step 5: Solve for x
    x = 60,556,685.96/8,592.60
  6. Step 6: Final answer
    x = 7,047.54

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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.