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Finding the Fourth Proportional to 5,791.53, 8,687.69 and 2,869.05

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Solution

The fourth proportional to 5,791.53, 8,687.69 and 2,869.05 is: 4,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.53 : 8,687.69 = 2,869.05 : x
  2. Step 2: Convert to fraction form
    5,791.53/8,687.69 = 2,869.05/x
  3. Step 3: Cross multiply
    5,791.53x = 8,687.69 × 2,869.05
  4. Step 4: Simplify right side
    5,791.53x = 24,925,416.99
  5. Step 5: Solve for x
    x = 24,925,416.99/5,791.53
  6. Step 6: Final answer
    x = 4,303.77

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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.