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Finding the Fourth Proportional to 67,118.56, 92,621.64 and 36,903.84

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Solution

The fourth proportional to 67,118.56, 92,621.64 and 36,903.84 is: 50,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.56 : 92,621.64 = 36,903.84 : x
  2. Step 2: Convert to fraction form
    67,118.56/92,621.64 = 36,903.84/x
  3. Step 3: Cross multiply
    67,118.56x = 92,621.64 × 36,903.84
  4. Step 4: Simplify right side
    67,118.56x = 3,418,094,183.10
  5. Step 5: Solve for x
    x = 3,418,094,183.10/67,118.56
  6. Step 6: Final answer
    x = 50,926.21

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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.