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Finding the Fourth Proportional to 57,950.80, 86,861.40 and 33,002.80

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Solution

The fourth proportional to 57,950.80, 86,861.40 and 33,002.80 is: 49,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.80 : 86,861.40 = 33,002.80 : x
  2. Step 2: Convert to fraction form
    57,950.80/86,861.40 = 33,002.80/x
  3. Step 3: Cross multiply
    57,950.80x = 86,861.40 × 33,002.80
  4. Step 4: Simplify right side
    57,950.80x = 2,866,669,411.92
  5. Step 5: Solve for x
    x = 2,866,669,411.92/57,950.80
  6. Step 6: Final answer
    x = 49,467.30

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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.