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Finding the Fourth Proportional to 32,611.78, 48,923.94 and 13,891.46

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Solution

The fourth proportional to 32,611.78, 48,923.94 and 13,891.46 is: 20,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.78 : 48,923.94 = 13,891.46 : x
  2. Step 2: Convert to fraction form
    32,611.78/48,923.94 = 13,891.46/x
  3. Step 3: Cross multiply
    32,611.78x = 48,923.94 × 13,891.46
  4. Step 4: Simplify right side
    32,611.78x = 679,624,955.55
  5. Step 5: Solve for x
    x = 679,624,955.55/32,611.78
  6. Step 6: Final answer
    x = 20,839.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.