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Finding the Fourth Proportional to 65,793.36, 98,700.39 and 28,364.07

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Solution

The fourth proportional to 65,793.36, 98,700.39 and 28,364.07 is: 42,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.36 : 98,700.39 = 28,364.07 : x
  2. Step 2: Convert to fraction form
    65,793.36/98,700.39 = 28,364.07/x
  3. Step 3: Cross multiply
    65,793.36x = 98,700.39 × 28,364.07
  4. Step 4: Simplify right side
    65,793.36x = 2,799,544,770.99
  5. Step 5: Solve for x
    x = 2,799,544,770.99/65,793.36
  6. Step 6: Final answer
    x = 42,550.57

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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.