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Finding the Fourth Proportional to 72,955.15, 100,660.96 and 44,274.17

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Solution

The fourth proportional to 72,955.15, 100,660.96 and 44,274.17 is: 61,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,955.15 : 100,660.96 = 44,274.17 : x
  2. Step 2: Convert to fraction form
    72,955.15/100,660.96 = 44,274.17/x
  3. Step 3: Cross multiply
    72,955.15x = 100,660.96 × 44,274.17
  4. Step 4: Simplify right side
    72,955.15x = 4,456,680,314.44
  5. Step 5: Solve for x
    x = 4,456,680,314.44/72,955.15
  6. Step 6: Final answer
    x = 61,087.95

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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.