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Finding the Fourth Proportional to 8,554.62, 11,805.27 and 5,019.90

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Solution

The fourth proportional to 8,554.62, 11,805.27 and 5,019.90 is: 6,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.62 : 11,805.27 = 5,019.90 : x
  2. Step 2: Convert to fraction form
    8,554.62/11,805.27 = 5,019.90/x
  3. Step 3: Cross multiply
    8,554.62x = 11,805.27 × 5,019.90
  4. Step 4: Simplify right side
    8,554.62x = 59,261,274.87
  5. Step 5: Solve for x
    x = 59,261,274.87/8,554.62
  6. Step 6: Final answer
    x = 6,927.40

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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.