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Finding the Fourth Proportional to 67,011.61, 92,471.88 and 36,796.81

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Solution

The fourth proportional to 67,011.61, 92,471.88 and 36,796.81 is: 50,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.61 : 92,471.88 = 36,796.81 : x
  2. Step 2: Convert to fraction form
    67,011.61/92,471.88 = 36,796.81/x
  3. Step 3: Cross multiply
    67,011.61x = 92,471.88 × 36,796.81
  4. Step 4: Simplify right side
    67,011.61x = 3,402,670,198.70
  5. Step 5: Solve for x
    x = 3,402,670,198.70/67,011.61
  6. Step 6: Final answer
    x = 50,777.32

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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.