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Finding the Fourth Proportional to 8,778.88, 13,167.98 and 4,837.95

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Solution

The fourth proportional to 8,778.88, 13,167.98 and 4,837.95 is: 7,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.88 : 13,167.98 = 4,837.95 : x
  2. Step 2: Convert to fraction form
    8,778.88/13,167.98 = 4,837.95/x
  3. Step 3: Cross multiply
    8,778.88x = 13,167.98 × 4,837.95
  4. Step 4: Simplify right side
    8,778.88x = 63,706,072.17
  5. Step 5: Solve for x
    x = 63,706,072.17/8,778.88
  6. Step 6: Final answer
    x = 7,256.74

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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.