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Finding the Fourth Proportional to 32,788.80, 49,110.30 and 25,369.20

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Solution

The fourth proportional to 32,788.80, 49,110.30 and 25,369.20 is: 37,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.80 : 49,110.30 = 25,369.20 : x
  2. Step 2: Convert to fraction form
    32,788.80/49,110.30 = 25,369.20/x
  3. Step 3: Cross multiply
    32,788.80x = 49,110.30 × 25,369.20
  4. Step 4: Simplify right side
    32,788.80x = 1,245,889,022.76
  5. Step 5: Solve for x
    x = 1,245,889,022.76/32,788.80
  6. Step 6: Final answer
    x = 37,997.40

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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.