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Finding the Fourth Proportional to 9,065.06, 13,601.10 and 3,518.90

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Solution

The fourth proportional to 9,065.06, 13,601.10 and 3,518.90 is: 5,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.06 : 13,601.10 = 3,518.90 : x
  2. Step 2: Convert to fraction form
    9,065.06/13,601.10 = 3,518.90/x
  3. Step 3: Cross multiply
    9,065.06x = 13,601.10 × 3,518.90
  4. Step 4: Simplify right side
    9,065.06x = 47,860,910.79
  5. Step 5: Solve for x
    x = 47,860,910.79/9,065.06
  6. Step 6: Final answer
    x = 5,279.71

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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.