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Finding the Fourth Proportional to 68,535.67, 94,578.61 and 37,908.76

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Solution

The fourth proportional to 68,535.67, 94,578.61 and 37,908.76 is: 52,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535.67 : 94,578.61 = 37,908.76 : x
  2. Step 2: Convert to fraction form
    68,535.67/94,578.61 = 37,908.76/x
  3. Step 3: Cross multiply
    68,535.67x = 94,578.61 × 37,908.76
  4. Step 4: Simplify right side
    68,535.67x = 3,585,357,827.62
  5. Step 5: Solve for x
    x = 3,585,357,827.62/68,535.67
  6. Step 6: Final answer
    x = 52,313.75

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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.