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Finding the Fourth Proportional to 38,599.70, 57,891.43 and 10,891.22

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Solution

The fourth proportional to 38,599.70, 57,891.43 and 10,891.22 is: 16,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.70 : 57,891.43 = 10,891.22 : x
  2. Step 2: Convert to fraction form
    38,599.70/57,891.43 = 10,891.22/x
  3. Step 3: Cross multiply
    38,599.70x = 57,891.43 × 10,891.22
  4. Step 4: Simplify right side
    38,599.70x = 630,508,300.24
  5. Step 5: Solve for x
    x = 630,508,300.24/38,599.70
  6. Step 6: Final answer
    x = 16,334.54

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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.