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Finding the Fourth Proportional to 8,887.11, 12,264 and 4,853.79

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Solution

The fourth proportional to 8,887.11, 12,264 and 4,853.79 is: 6,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.11 : 12,264 = 4,853.79 : x
  2. Step 2: Convert to fraction form
    8,887.11/12,264 = 4,853.79/x
  3. Step 3: Cross multiply
    8,887.11x = 12,264 × 4,853.79
  4. Step 4: Simplify right side
    8,887.11x = 59,526,880.56
  5. Step 5: Solve for x
    x = 59,526,880.56/8,887.11
  6. Step 6: Final answer
    x = 6,698.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.