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Finding the Fourth Proportional to 50,649.46, 69,895.99 and 27,990.03

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Solution

The fourth proportional to 50,649.46, 69,895.99 and 27,990.03 is: 38,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.46 : 69,895.99 = 27,990.03 : x
  2. Step 2: Convert to fraction form
    50,649.46/69,895.99 = 27,990.03/x
  3. Step 3: Cross multiply
    50,649.46x = 69,895.99 × 27,990.03
  4. Step 4: Simplify right side
    50,649.46x = 1,956,390,856.98
  5. Step 5: Solve for x
    x = 1,956,390,856.98/50,649.46
  6. Step 6: Final answer
    x = 38,626.10

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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.