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Finding the Fourth Proportional to 68,571.48, 94,628.16 and 38,356.68

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Solution

The fourth proportional to 68,571.48, 94,628.16 and 38,356.68 is: 52,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,571.48 : 94,628.16 = 38,356.68 : x
  2. Step 2: Convert to fraction form
    68,571.48/94,628.16 = 38,356.68/x
  3. Step 3: Cross multiply
    68,571.48x = 94,628.16 × 38,356.68
  4. Step 4: Simplify right side
    68,571.48x = 3,629,622,052.11
  5. Step 5: Solve for x
    x = 3,629,622,052.11/68,571.48
  6. Step 6: Final answer
    x = 52,931.95

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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.