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Finding the Fourth Proportional to 5,276.92, 7,915.92 and 2,354.98

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Solution

The fourth proportional to 5,276.92, 7,915.92 and 2,354.98 is: 3,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.92 : 7,915.92 = 2,354.98 : x
  2. Step 2: Convert to fraction form
    5,276.92/7,915.92 = 2,354.98/x
  3. Step 3: Cross multiply
    5,276.92x = 7,915.92 × 2,354.98
  4. Step 4: Simplify right side
    5,276.92x = 18,641,833.28
  5. Step 5: Solve for x
    x = 18,641,833.28/5,276.92
  6. Step 6: Final answer
    x = 3,532.71

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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.