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Finding the Fourth Proportional to 21,951.74, 32,926.46 and 6,157.87

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Solution

The fourth proportional to 21,951.74, 32,926.46 and 6,157.87 is: 9,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951.74 : 32,926.46 = 6,157.87 : x
  2. Step 2: Convert to fraction form
    21,951.74/32,926.46 = 6,157.87/x
  3. Step 3: Cross multiply
    21,951.74x = 32,926.46 × 6,157.87
  4. Step 4: Simplify right side
    21,951.74x = 202,756,860.24
  5. Step 5: Solve for x
    x = 202,756,860.24/21,951.74
  6. Step 6: Final answer
    x = 9,236.48

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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.