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Finding the Fourth Proportional to 70,685.52, 105,941.94 and 33,195.54

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Solution

The fourth proportional to 70,685.52, 105,941.94 and 33,195.54 is: 49,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.52 : 105,941.94 = 33,195.54 : x
  2. Step 2: Convert to fraction form
    70,685.52/105,941.94 = 33,195.54/x
  3. Step 3: Cross multiply
    70,685.52x = 105,941.94 × 33,195.54
  4. Step 4: Simplify right side
    70,685.52x = 3,516,799,906.95
  5. Step 5: Solve for x
    x = 3,516,799,906.95/70,685.52
  6. Step 6: Final answer
    x = 49,752.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.