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Finding the Fourth Proportional to 67,378.77, 92,984.94 and 36,753.54

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Solution

The fourth proportional to 67,378.77, 92,984.94 and 36,753.54 is: 50,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378.77 : 92,984.94 = 36,753.54 : x
  2. Step 2: Convert to fraction form
    67,378.77/92,984.94 = 36,753.54/x
  3. Step 3: Cross multiply
    67,378.77x = 92,984.94 × 36,753.54
  4. Step 4: Simplify right side
    67,378.77x = 3,417,525,711.69
  5. Step 5: Solve for x
    x = 3,417,525,711.69/67,378.77
  6. Step 6: Final answer
    x = 50,721.11

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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.