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Finding the Fourth Proportional to 59,605.67, 89,402.99 and 20,163.12

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Solution

The fourth proportional to 59,605.67, 89,402.99 and 20,163.12 is: 30,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,605.67 : 89,402.99 = 20,163.12 : x
  2. Step 2: Convert to fraction form
    59,605.67/89,402.99 = 20,163.12/x
  3. Step 3: Cross multiply
    59,605.67x = 89,402.99 × 20,163.12
  4. Step 4: Simplify right side
    59,605.67x = 1,802,643,114.91
  5. Step 5: Solve for x
    x = 1,802,643,114.91/59,605.67
  6. Step 6: Final answer
    x = 30,242.82

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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.