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Finding the Fourth Proportional to 65,736.38, 98,674.77 and 28,314.99

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Solution

The fourth proportional to 65,736.38, 98,674.77 and 28,314.99 is: 42,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,736.38 : 98,674.77 = 28,314.99 : x
  2. Step 2: Convert to fraction form
    65,736.38/98,674.77 = 28,314.99/x
  3. Step 3: Cross multiply
    65,736.38x = 98,674.77 × 28,314.99
  4. Step 4: Simplify right side
    65,736.38x = 2,793,975,125.80
  5. Step 5: Solve for x
    x = 2,793,975,125.80/65,736.38
  6. Step 6: Final answer
    x = 42,502.73

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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.