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Finding the Fourth Proportional to 6,179.12, 8,531.12 and 4,058.42

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Solution

The fourth proportional to 6,179.12, 8,531.12 and 4,058.42 is: 5,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.12 : 8,531.12 = 4,058.42 : x
  2. Step 2: Convert to fraction form
    6,179.12/8,531.12 = 4,058.42/x
  3. Step 3: Cross multiply
    6,179.12x = 8,531.12 × 4,058.42
  4. Step 4: Simplify right side
    6,179.12x = 34,622,805.08
  5. Step 5: Solve for x
    x = 34,622,805.08/6,179.12
  6. Step 6: Final answer
    x = 5,603.20

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1.5x scale

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.