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Finding the Fourth Proportional to 38,121, 52,625.22 and 25,395.50

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Solution

The fourth proportional to 38,121, 52,625.22 and 25,395.50 is: 35,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121 : 52,625.22 = 25,395.50 : x
  2. Step 2: Convert to fraction form
    38,121/52,625.22 = 25,395.50/x
  3. Step 3: Cross multiply
    38,121x = 52,625.22 × 25,395.50
  4. Step 4: Simplify right side
    38,121x = 1,336,443,774.51
  5. Step 5: Solve for x
    x = 1,336,443,774.51/38,121
  6. Step 6: Final answer
    x = 35,057.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.