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Finding the Fourth Proportional to 67,850.36, 93,630.20 and 37,633

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Solution

The fourth proportional to 67,850.36, 93,630.20 and 37,633 is: 51,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,850.36 : 93,630.20 = 37,633 : x
  2. Step 2: Convert to fraction form
    67,850.36/93,630.20 = 37,633/x
  3. Step 3: Cross multiply
    67,850.36x = 93,630.20 × 37,633
  4. Step 4: Simplify right side
    67,850.36x = 3,523,585,316.60
  5. Step 5: Solve for x
    x = 3,523,585,316.60/67,850.36
  6. Step 6: Final answer
    x = 51,931.71

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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.