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Finding the Fourth Proportional to 5,294.76, 7,942.96 and 2,696.28

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Solution

The fourth proportional to 5,294.76, 7,942.96 and 2,696.28 is: 4,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.76 : 7,942.96 = 2,696.28 : x
  2. Step 2: Convert to fraction form
    5,294.76/7,942.96 = 2,696.28/x
  3. Step 3: Cross multiply
    5,294.76x = 7,942.96 × 2,696.28
  4. Step 4: Simplify right side
    5,294.76x = 21,416,444.19
  5. Step 5: Solve for x
    x = 21,416,444.19/5,294.76
  6. Step 6: Final answer
    x = 4,044.84

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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.