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Finding the Fourth Proportional to 52,073.78, 78,100.86 and 25,393.01

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Solution

The fourth proportional to 52,073.78, 78,100.86 and 25,393.01 is: 38,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.78 : 78,100.86 = 25,393.01 : x
  2. Step 2: Convert to fraction form
    52,073.78/78,100.86 = 25,393.01/x
  3. Step 3: Cross multiply
    52,073.78x = 78,100.86 × 25,393.01
  4. Step 4: Simplify right side
    52,073.78x = 1,983,215,918.99
  5. Step 5: Solve for x
    x = 1,983,215,918.99/52,073.78
  6. Step 6: Final answer
    x = 38,084.73

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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.