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Finding the Fourth Proportional to 73,881.67, 110,915.93 and 33,940.57

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Solution

The fourth proportional to 73,881.67, 110,915.93 and 33,940.57 is: 50,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,881.67 : 110,915.93 = 33,940.57 : x
  2. Step 2: Convert to fraction form
    73,881.67/110,915.93 = 33,940.57/x
  3. Step 3: Cross multiply
    73,881.67x = 110,915.93 × 33,940.57
  4. Step 4: Simplify right side
    73,881.67x = 3,764,549,901.81
  5. Step 5: Solve for x
    x = 3,764,549,901.81/73,881.67
  6. Step 6: Final answer
    x = 50,953.77

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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.