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Finding the Fourth Proportional to 32,611.41, 48,926.87 and 18,750.69

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Solution

The fourth proportional to 32,611.41, 48,926.87 and 18,750.69 is: 28,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.41 : 48,926.87 = 18,750.69 : x
  2. Step 2: Convert to fraction form
    32,611.41/48,926.87 = 18,750.69/x
  3. Step 3: Cross multiply
    32,611.41x = 48,926.87 × 18,750.69
  4. Step 4: Simplify right side
    32,611.41x = 917,412,548.60
  5. Step 5: Solve for x
    x = 917,412,548.60/32,611.41
  6. Step 6: Final answer
    x = 28,131.64

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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.