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Finding the Fourth Proportional to 62,365, 93,581.34 and 36,121

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Solution

The fourth proportional to 62,365, 93,581.34 and 36,121 is: 54,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,365 : 93,581.34 = 36,121 : x
  2. Step 2: Convert to fraction form
    62,365/93,581.34 = 36,121/x
  3. Step 3: Cross multiply
    62,365x = 93,581.34 × 36,121
  4. Step 4: Simplify right side
    62,365x = 3,380,251,582.14
  5. Step 5: Solve for x
    x = 3,380,251,582.14/62,365
  6. Step 6: Final answer
    x = 54,201.10

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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.