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Finding the Fourth Proportional to 68,073.68, 93,943.99 and 37,448.12

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Solution

The fourth proportional to 68,073.68, 93,943.99 and 37,448.12 is: 51,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.68 : 93,943.99 = 37,448.12 : x
  2. Step 2: Convert to fraction form
    68,073.68/93,943.99 = 37,448.12/x
  3. Step 3: Cross multiply
    68,073.68x = 93,943.99 × 37,448.12
  4. Step 4: Simplify right side
    68,073.68x = 3,518,025,623.56
  5. Step 5: Solve for x
    x = 3,518,025,623.56/68,073.68
  6. Step 6: Final answer
    x = 51,679.68

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1.5x scale

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.