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Finding the Fourth Proportional to 67,119.69, 92,622.80 and 36,904.80

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Solution

The fourth proportional to 67,119.69, 92,622.80 and 36,904.80 is: 50,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.69 : 92,622.80 = 36,904.80 : x
  2. Step 2: Convert to fraction form
    67,119.69/92,622.80 = 36,904.80/x
  3. Step 3: Cross multiply
    67,119.69x = 92,622.80 × 36,904.80
  4. Step 4: Simplify right side
    67,119.69x = 3,418,225,909.44
  5. Step 5: Solve for x
    x = 3,418,225,909.44/67,119.69
  6. Step 6: Final answer
    x = 50,927.32

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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.