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Finding the Fourth Proportional to 68,356.73, 94,334.55 and 39,674.24

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Solution

The fourth proportional to 68,356.73, 94,334.55 and 39,674.24 is: 54,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.73 : 94,334.55 = 39,674.24 : x
  2. Step 2: Convert to fraction form
    68,356.73/94,334.55 = 39,674.24/x
  3. Step 3: Cross multiply
    68,356.73x = 94,334.55 × 39,674.24
  4. Step 4: Simplify right side
    68,356.73x = 3,742,651,576.99
  5. Step 5: Solve for x
    x = 3,742,651,576.99/68,356.73
  6. Step 6: Final answer
    x = 54,751.76

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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.