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Finding the Fourth Proportional to 9,058.70, 12,500.33 and 5,078.97

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Solution

The fourth proportional to 9,058.70, 12,500.33 and 5,078.97 is: 7,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.70 : 12,500.33 = 5,078.97 : x
  2. Step 2: Convert to fraction form
    9,058.70/12,500.33 = 5,078.97/x
  3. Step 3: Cross multiply
    9,058.70x = 12,500.33 × 5,078.97
  4. Step 4: Simplify right side
    9,058.70x = 63,488,775.67
  5. Step 5: Solve for x
    x = 63,488,775.67/9,058.70
  6. Step 6: Final answer
    x = 7,008.59

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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.