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Finding the Fourth Proportional to 20,593.98, 30,875.37 and 7,263.42

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Solution

The fourth proportional to 20,593.98, 30,875.37 and 7,263.42 is: 10,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.98 : 30,875.37 = 7,263.42 : x
  2. Step 2: Convert to fraction form
    20,593.98/30,875.37 = 7,263.42/x
  3. Step 3: Cross multiply
    20,593.98x = 30,875.37 × 7,263.42
  4. Step 4: Simplify right side
    20,593.98x = 224,260,779.97
  5. Step 5: Solve for x
    x = 224,260,779.97/20,593.98
  6. Step 6: Final answer
    x = 10,889.63

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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.