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Finding the Fourth Proportional to 59,350.88, 89,039.66 and 19,906.99

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Solution

The fourth proportional to 59,350.88, 89,039.66 and 19,906.99 is: 29,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,350.88 : 89,039.66 = 19,906.99 : x
  2. Step 2: Convert to fraction form
    59,350.88/89,039.66 = 19,906.99/x
  3. Step 3: Cross multiply
    59,350.88x = 89,039.66 × 19,906.99
  4. Step 4: Simplify right side
    59,350.88x = 1,772,511,299.09
  5. Step 5: Solve for x
    x = 1,772,511,299.09/59,350.88
  6. Step 6: Final answer
    x = 29,864.95

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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.