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Finding the Fourth Proportional to 32,758.98, 49,138.48 and 21,736.10

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Solution

The fourth proportional to 32,758.98, 49,138.48 and 21,736.10 is: 32,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.98 : 49,138.48 = 21,736.10 : x
  2. Step 2: Convert to fraction form
    32,758.98/49,138.48 = 21,736.10/x
  3. Step 3: Cross multiply
    32,758.98x = 49,138.48 × 21,736.10
  4. Step 4: Simplify right side
    32,758.98x = 1,068,078,915.13
  5. Step 5: Solve for x
    x = 1,068,078,915.13/32,758.98
  6. Step 6: Final answer
    x = 32,604.16

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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.