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Finding the Fourth Proportional to 50,991.30, 76,487.01 and 15,931.14

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Solution

The fourth proportional to 50,991.30, 76,487.01 and 15,931.14 is: 23,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.30 : 76,487.01 = 15,931.14 : x
  2. Step 2: Convert to fraction form
    50,991.30/76,487.01 = 15,931.14/x
  3. Step 3: Cross multiply
    50,991.30x = 76,487.01 × 15,931.14
  4. Step 4: Simplify right side
    50,991.30x = 1,218,525,264.49
  5. Step 5: Solve for x
    x = 1,218,525,264.49/50,991.30
  6. Step 6: Final answer
    x = 23,896.73

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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.