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Finding the Fourth Proportional to 65,841.44, 98,729.92 and 32,550.72

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Solution

The fourth proportional to 65,841.44, 98,729.92 and 32,550.72 is: 48,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,841.44 : 98,729.92 = 32,550.72 : x
  2. Step 2: Convert to fraction form
    65,841.44/98,729.92 = 32,550.72/x
  3. Step 3: Cross multiply
    65,841.44x = 98,729.92 × 32,550.72
  4. Step 4: Simplify right side
    65,841.44x = 3,213,729,981.54
  5. Step 5: Solve for x
    x = 3,213,729,981.54/65,841.44
  6. Step 6: Final answer
    x = 48,810.14

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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.