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Finding the Fourth Proportional to 36,571.74, 54,857.61 and 8,869.50

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Solution

The fourth proportional to 36,571.74, 54,857.61 and 8,869.50 is: 13,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,571.74 : 54,857.61 = 8,869.50 : x
  2. Step 2: Convert to fraction form
    36,571.74/54,857.61 = 8,869.50/x
  3. Step 3: Cross multiply
    36,571.74x = 54,857.61 × 8,869.50
  4. Step 4: Simplify right side
    36,571.74x = 486,559,571.90
  5. Step 5: Solve for x
    x = 486,559,571.90/36,571.74
  6. Step 6: Final answer
    x = 13,304.25

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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.