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Finding the Fourth Proportional to 68,803.93, 94,950.20 and 38,177.57

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Solution

The fourth proportional to 68,803.93, 94,950.20 and 38,177.57 is: 52,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.93 : 94,950.20 = 38,177.57 : x
  2. Step 2: Convert to fraction form
    68,803.93/94,950.20 = 38,177.57/x
  3. Step 3: Cross multiply
    68,803.93x = 94,950.20 × 38,177.57
  4. Step 4: Simplify right side
    68,803.93x = 3,624,968,025.08
  5. Step 5: Solve for x
    x = 3,624,968,025.08/68,803.93
  6. Step 6: Final answer
    x = 52,685.48

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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.