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Finding the Fourth Proportional to 67,361.59, 92,965.26 and 38,685.24

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Solution

The fourth proportional to 67,361.59, 92,965.26 and 38,685.24 is: 53,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,361.59 : 92,965.26 = 38,685.24 : x
  2. Step 2: Convert to fraction form
    67,361.59/92,965.26 = 38,685.24/x
  3. Step 3: Cross multiply
    67,361.59x = 92,965.26 × 38,685.24
  4. Step 4: Simplify right side
    67,361.59x = 3,596,383,394.76
  5. Step 5: Solve for x
    x = 3,596,383,394.76/67,361.59
  6. Step 6: Final answer
    x = 53,389.23

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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.