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Finding the Fourth Proportional to 37,894.36, 52,293.68 and 21,981.50

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Solution

The fourth proportional to 37,894.36, 52,293.68 and 21,981.50 is: 30,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,894.36 : 52,293.68 = 21,981.50 : x
  2. Step 2: Convert to fraction form
    37,894.36/52,293.68 = 21,981.50/x
  3. Step 3: Cross multiply
    37,894.36x = 52,293.68 × 21,981.50
  4. Step 4: Simplify right side
    37,894.36x = 1,149,493,630.18
  5. Step 5: Solve for x
    x = 1,149,493,630.18/37,894.36
  6. Step 6: Final answer
    x = 30,334.16

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