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Finding the Fourth Proportional to 8,058.88, 12,087.78 and 2,215

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Solution

The fourth proportional to 8,058.88, 12,087.78 and 2,215 is: 3,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.88 : 12,087.78 = 2,215 : x
  2. Step 2: Convert to fraction form
    8,058.88/12,087.78 = 2,215/x
  3. Step 3: Cross multiply
    8,058.88x = 12,087.78 × 2,215
  4. Step 4: Simplify right side
    8,058.88x = 26,774,432.70
  5. Step 5: Solve for x
    x = 26,774,432.70/8,058.88
  6. Step 6: Final answer
    x = 3,322.35

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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.