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Finding the Fourth Proportional to 67,637.94, 93,334.21 and 38,949.99

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Solution

The fourth proportional to 67,637.94, 93,334.21 and 38,949.99 is: 53,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.94 : 93,334.21 = 38,949.99 : x
  2. Step 2: Convert to fraction form
    67,637.94/93,334.21 = 38,949.99/x
  3. Step 3: Cross multiply
    67,637.94x = 93,334.21 × 38,949.99
  4. Step 4: Simplify right side
    67,637.94x = 3,635,366,546.16
  5. Step 5: Solve for x
    x = 3,635,366,546.16/67,637.94
  6. Step 6: Final answer
    x = 53,747.45

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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.