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Finding the Fourth Proportional to 27,081.76, 40,625.07 and 7,360.42

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Solution

The fourth proportional to 27,081.76, 40,625.07 and 7,360.42 is: 11,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.76 : 40,625.07 = 7,360.42 : x
  2. Step 2: Convert to fraction form
    27,081.76/40,625.07 = 7,360.42/x
  3. Step 3: Cross multiply
    27,081.76x = 40,625.07 × 7,360.42
  4. Step 4: Simplify right side
    27,081.76x = 299,017,577.73
  5. Step 5: Solve for x
    x = 299,017,577.73/27,081.76
  6. Step 6: Final answer
    x = 11,041.29

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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.