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Finding the Fourth Proportional to 8,834.88, 13,252.88 and 2,912.16

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Solution

The fourth proportional to 8,834.88, 13,252.88 and 2,912.16 is: 4,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.88 : 13,252.88 = 2,912.16 : x
  2. Step 2: Convert to fraction form
    8,834.88/13,252.88 = 2,912.16/x
  3. Step 3: Cross multiply
    8,834.88x = 13,252.88 × 2,912.16
  4. Step 4: Simplify right side
    8,834.88x = 38,594,507.02
  5. Step 5: Solve for x
    x = 38,594,507.02/8,834.88
  6. Step 6: Final answer
    x = 4,368.42

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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.