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Finding the Fourth Proportional to 8,523.54, 12,787.05 and 3,593.17

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Solution

The fourth proportional to 8,523.54, 12,787.05 and 3,593.17 is: 5,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.54 : 12,787.05 = 3,593.17 : x
  2. Step 2: Convert to fraction form
    8,523.54/12,787.05 = 3,593.17/x
  3. Step 3: Cross multiply
    8,523.54x = 12,787.05 × 3,593.17
  4. Step 4: Simplify right side
    8,523.54x = 45,946,044.45
  5. Step 5: Solve for x
    x = 45,946,044.45/8,523.54
  6. Step 6: Final answer
    x = 5,390.49

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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.