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Finding the Fourth Proportional to 35,232.99, 48,609.41 and 20,889.87

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Solution

The fourth proportional to 35,232.99, 48,609.41 and 20,889.87 is: 28,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,232.99 : 48,609.41 = 20,889.87 : x
  2. Step 2: Convert to fraction form
    35,232.99/48,609.41 = 20,889.87/x
  3. Step 3: Cross multiply
    35,232.99x = 48,609.41 × 20,889.87
  4. Step 4: Simplify right side
    35,232.99x = 1,015,444,151.23
  5. Step 5: Solve for x
    x = 1,015,444,151.23/35,232.99
  6. Step 6: Final answer
    x = 28,820.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.