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Finding the Fourth Proportional to 59,571.72, 89,331.34 and 27,990.77

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Solution

The fourth proportional to 59,571.72, 89,331.34 and 27,990.77 is: 41,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571.72 : 89,331.34 = 27,990.77 : x
  2. Step 2: Convert to fraction form
    59,571.72/89,331.34 = 27,990.77/x
  3. Step 3: Cross multiply
    59,571.72x = 89,331.34 × 27,990.77
  4. Step 4: Simplify right side
    59,571.72x = 2,500,452,838.38
  5. Step 5: Solve for x
    x = 2,500,452,838.38/59,571.72
  6. Step 6: Final answer
    x = 41,973.82

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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.