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Finding the Fourth Proportional to 59,438.59, 89,169.56 and 21,998.99

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Solution

The fourth proportional to 59,438.59, 89,169.56 and 21,998.99 is: 33,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.59 : 89,169.56 = 21,998.99 : x
  2. Step 2: Convert to fraction form
    59,438.59/89,169.56 = 21,998.99/x
  3. Step 3: Cross multiply
    59,438.59x = 89,169.56 × 21,998.99
  4. Step 4: Simplify right side
    59,438.59x = 1,961,640,188.04
  5. Step 5: Solve for x
    x = 1,961,640,188.04/59,438.59
  6. Step 6: Final answer
    x = 33,002.80

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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.