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Finding the Fourth Proportional to 59,451.80, 89,191.42 and 20,007.95

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Solution

The fourth proportional to 59,451.80, 89,191.42 and 20,007.95 is: 30,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,451.80 : 89,191.42 = 20,007.95 : x
  2. Step 2: Convert to fraction form
    59,451.80/89,191.42 = 20,007.95/x
  3. Step 3: Cross multiply
    59,451.80x = 89,191.42 × 20,007.95
  4. Step 4: Simplify right side
    59,451.80x = 1,784,536,975.81
  5. Step 5: Solve for x
    x = 1,784,536,975.81/59,451.80
  6. Step 6: Final answer
    x = 30,016.54

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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.