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Finding the Fourth Proportional to 59,451.48, 89,190.87 and 20,007.54

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Solution

The fourth proportional to 59,451.48, 89,190.87 and 20,007.54 is: 30,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,451.48 : 89,190.87 = 20,007.54 : x
  2. Step 2: Convert to fraction form
    59,451.48/89,190.87 = 20,007.54/x
  3. Step 3: Cross multiply
    59,451.48x = 89,190.87 × 20,007.54
  4. Step 4: Simplify right side
    59,451.48x = 1,784,489,899.16
  5. Step 5: Solve for x
    x = 1,784,489,899.16/59,451.48
  6. Step 6: Final answer
    x = 30,015.90

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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.