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Finding the Fourth Proportional to 8,593.28, 12,894.88 and 4,644.56

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Solution

The fourth proportional to 8,593.28, 12,894.88 and 4,644.56 is: 6,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.28 : 12,894.88 = 4,644.56 : x
  2. Step 2: Convert to fraction form
    8,593.28/12,894.88 = 4,644.56/x
  3. Step 3: Cross multiply
    8,593.28x = 12,894.88 × 4,644.56
  4. Step 4: Simplify right side
    8,593.28x = 59,891,043.85
  5. Step 5: Solve for x
    x = 59,891,043.85/8,593.28
  6. Step 6: Final answer
    x = 6,969.52

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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.