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Finding the Fourth Proportional to 17,276.92, 25,915.07 and 5,590.15

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Solution

The fourth proportional to 17,276.92, 25,915.07 and 5,590.15 is: 8,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.92 : 25,915.07 = 5,590.15 : x
  2. Step 2: Convert to fraction form
    17,276.92/25,915.07 = 5,590.15/x
  3. Step 3: Cross multiply
    17,276.92x = 25,915.07 × 5,590.15
  4. Step 4: Simplify right side
    17,276.92x = 144,869,077.75
  5. Step 5: Solve for x
    x = 144,869,077.75/17,276.92
  6. Step 6: Final answer
    x = 8,385.12

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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.