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Finding the Fourth Proportional to 8,058.66, 12,084.30 and 5,244.72

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Solution

The fourth proportional to 8,058.66, 12,084.30 and 5,244.72 is: 7,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.66 : 12,084.30 = 5,244.72 : x
  2. Step 2: Convert to fraction form
    8,058.66/12,084.30 = 5,244.72/x
  3. Step 3: Cross multiply
    8,058.66x = 12,084.30 × 5,244.72
  4. Step 4: Simplify right side
    8,058.66x = 63,378,769.90
  5. Step 5: Solve for x
    x = 63,378,769.90/8,058.66
  6. Step 6: Final answer
    x = 7,864.68

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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.