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Finding the Fourth Proportional to 8,589.53, 12,885.51 and 2,744.84

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Solution

The fourth proportional to 8,589.53, 12,885.51 and 2,744.84 is: 4,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.53 : 12,885.51 = 2,744.84 : x
  2. Step 2: Convert to fraction form
    8,589.53/12,885.51 = 2,744.84/x
  3. Step 3: Cross multiply
    8,589.53x = 12,885.51 × 2,744.84
  4. Step 4: Simplify right side
    8,589.53x = 35,368,663.27
  5. Step 5: Solve for x
    x = 35,368,663.27/8,589.53
  6. Step 6: Final answer
    x = 4,117.65

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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.