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Finding the Fourth Proportional to 33,368.40, 50,101.20 and 25,981.20

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Solution

The fourth proportional to 33,368.40, 50,101.20 and 25,981.20 is: 39,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,368.40 : 50,101.20 = 25,981.20 : x
  2. Step 2: Convert to fraction form
    33,368.40/50,101.20 = 25,981.20/x
  3. Step 3: Cross multiply
    33,368.40x = 50,101.20 × 25,981.20
  4. Step 4: Simplify right side
    33,368.40x = 1,301,689,297.44
  5. Step 5: Solve for x
    x = 1,301,689,297.44/33,368.40
  6. Step 6: Final answer
    x = 39,009.64

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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.