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Finding the Fourth Proportional to 67,086.88, 92,574.64 and 36,871.68

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Solution

The fourth proportional to 67,086.88, 92,574.64 and 36,871.68 is: 50,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086.88 : 92,574.64 = 36,871.68 : x
  2. Step 2: Convert to fraction form
    67,086.88/92,574.64 = 36,871.68/x
  3. Step 3: Cross multiply
    67,086.88x = 92,574.64 × 36,871.68
  4. Step 4: Simplify right side
    67,086.88x = 3,413,382,502.20
  5. Step 5: Solve for x
    x = 3,413,382,502.20/67,086.88
  6. Step 6: Final answer
    x = 50,880.03

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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.