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Finding the Fourth Proportional to 35,872.50, 53,811.76 and 10,912.74

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Solution

The fourth proportional to 35,872.50, 53,811.76 and 10,912.74 is: 16,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.50 : 53,811.76 = 10,912.74 : x
  2. Step 2: Convert to fraction form
    35,872.50/53,811.76 = 10,912.74/x
  3. Step 3: Cross multiply
    35,872.50x = 53,811.76 × 10,912.74
  4. Step 4: Simplify right side
    35,872.50x = 587,233,839.90
  5. Step 5: Solve for x
    x = 587,233,839.90/35,872.50
  6. Step 6: Final answer
    x = 16,370.03

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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.