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Finding the Fourth Proportional to 36,211, 54,314.06 and 9,915.98

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Solution

The fourth proportional to 36,211, 54,314.06 and 9,915.98 is: 14,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211 : 54,314.06 = 9,915.98 : x
  2. Step 2: Convert to fraction form
    36,211/54,314.06 = 9,915.98/x
  3. Step 3: Cross multiply
    36,211x = 54,314.06 × 9,915.98
  4. Step 4: Simplify right side
    36,211x = 538,577,132.68
  5. Step 5: Solve for x
    x = 538,577,132.68/36,211
  6. Step 6: Final answer
    x = 14,873.30

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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.