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Finding the Fourth Proportional to 67,523.86, 93,163.95 and 38,842.03

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Solution

The fourth proportional to 67,523.86, 93,163.95 and 38,842.03 is: 53,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,523.86 : 93,163.95 = 38,842.03 : x
  2. Step 2: Convert to fraction form
    67,523.86/93,163.95 = 38,842.03/x
  3. Step 3: Cross multiply
    67,523.86x = 93,163.95 × 38,842.03
  4. Step 4: Simplify right side
    67,523.86x = 3,618,676,940.82
  5. Step 5: Solve for x
    x = 3,618,676,940.82/67,523.86
  6. Step 6: Final answer
    x = 53,591.09

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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.