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Finding the Fourth Proportional to 8,894.17, 13,339.63 and 3,962.89

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Solution

The fourth proportional to 8,894.17, 13,339.63 and 3,962.89 is: 5,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.17 : 13,339.63 = 3,962.89 : x
  2. Step 2: Convert to fraction form
    8,894.17/13,339.63 = 3,962.89/x
  3. Step 3: Cross multiply
    8,894.17x = 13,339.63 × 3,962.89
  4. Step 4: Simplify right side
    8,894.17x = 52,863,399.82
  5. Step 5: Solve for x
    x = 52,863,399.82/8,894.17
  6. Step 6: Final answer
    x = 5,943.60

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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.