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Finding the Fourth Proportional to 8,915.95, 13,373.90 and 2,675.94

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Solution

The fourth proportional to 8,915.95, 13,373.90 and 2,675.94 is: 4,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.95 : 13,373.90 = 2,675.94 : x
  2. Step 2: Convert to fraction form
    8,915.95/13,373.90 = 2,675.94/x
  3. Step 3: Cross multiply
    8,915.95x = 13,373.90 × 2,675.94
  4. Step 4: Simplify right side
    8,915.95x = 35,787,690.43
  5. Step 5: Solve for x
    x = 35,787,690.43/8,915.95
  6. Step 6: Final answer
    x = 4,013.89

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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.