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Finding the Fourth Proportional to 32,611.40, 48,912.30 and 9,240.20

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Solution

The fourth proportional to 32,611.40, 48,912.30 and 9,240.20 is: 13,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.40 : 48,912.30 = 9,240.20 : x
  2. Step 2: Convert to fraction form
    32,611.40/48,912.30 = 9,240.20/x
  3. Step 3: Cross multiply
    32,611.40x = 48,912.30 × 9,240.20
  4. Step 4: Simplify right side
    32,611.40x = 451,959,434.46
  5. Step 5: Solve for x
    x = 451,959,434.46/32,611.40
  6. Step 6: Final answer
    x = 13,858.94

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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.