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Finding the Fourth Proportional to 8,058.44, 12,087.46 and 4,747.68

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Solution

The fourth proportional to 8,058.44, 12,087.46 and 4,747.68 is: 7,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.44 : 12,087.46 = 4,747.68 : x
  2. Step 2: Convert to fraction form
    8,058.44/12,087.46 = 4,747.68/x
  3. Step 3: Cross multiply
    8,058.44x = 12,087.46 × 4,747.68
  4. Step 4: Simplify right side
    8,058.44x = 57,387,368.35
  5. Step 5: Solve for x
    x = 57,387,368.35/8,058.44
  6. Step 6: Final answer
    x = 7,121.40

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1.5x scale

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.