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Finding the Fourth Proportional to 20,593.01, 30,889.52 and 5,010.50

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Solution

The fourth proportional to 20,593.01, 30,889.52 and 5,010.50 is: 7,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.01 : 30,889.52 = 5,010.50 : x
  2. Step 2: Convert to fraction form
    20,593.01/30,889.52 = 5,010.50/x
  3. Step 3: Cross multiply
    20,593.01x = 30,889.52 × 5,010.50
  4. Step 4: Simplify right side
    20,593.01x = 154,771,760.46
  5. Step 5: Solve for x
    x = 154,771,760.46/20,593.01
  6. Step 6: Final answer
    x = 7,515.74

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Similar ratio
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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.