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Finding the Fourth Proportional to 49,700.32, 68,611.84 and 38,344.32

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Solution

The fourth proportional to 49,700.32, 68,611.84 and 38,344.32 is: 52,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700.32 : 68,611.84 = 38,344.32 : x
  2. Step 2: Convert to fraction form
    49,700.32/68,611.84 = 38,344.32/x
  3. Step 3: Cross multiply
    49,700.32x = 68,611.84 × 38,344.32
  4. Step 4: Simplify right side
    49,700.32x = 2,630,874,252.89
  5. Step 5: Solve for x
    x = 2,630,874,252.89/49,700.32
  6. Step 6: Final answer
    x = 52,934.76

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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.