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Finding the Fourth Proportional to 67,133.81, 92,646.99 and 36,921.42

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Solution

The fourth proportional to 67,133.81, 92,646.99 and 36,921.42 is: 50,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,133.81 : 92,646.99 = 36,921.42 : x
  2. Step 2: Convert to fraction form
    67,133.81/92,646.99 = 36,921.42/x
  3. Step 3: Cross multiply
    67,133.81x = 92,646.99 × 36,921.42
  4. Step 4: Simplify right side
    67,133.81x = 3,420,658,429.53
  5. Step 5: Solve for x
    x = 3,420,658,429.53/67,133.81
  6. Step 6: Final answer
    x = 50,952.84

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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.