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Finding the Fourth Proportional to 59,796, 89,701.44 and 20,350.08

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Solution

The fourth proportional to 59,796, 89,701.44 and 20,350.08 is: 30,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,796 : 89,701.44 = 20,350.08 : x
  2. Step 2: Convert to fraction form
    59,796/89,701.44 = 20,350.08/x
  3. Step 3: Cross multiply
    59,796x = 89,701.44 × 20,350.08
  4. Step 4: Simplify right side
    59,796x = 1,825,431,480.12
  5. Step 5: Solve for x
    x = 1,825,431,480.12/59,796
  6. Step 6: Final answer
    x = 30,527.65

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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.