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Finding the Fourth Proportional to 32,243.20, 48,343.20 and 15,611.20

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Solution

The fourth proportional to 32,243.20, 48,343.20 and 15,611.20 is: 23,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,243.20 : 48,343.20 = 15,611.20 : x
  2. Step 2: Convert to fraction form
    32,243.20/48,343.20 = 15,611.20/x
  3. Step 3: Cross multiply
    32,243.20x = 48,343.20 × 15,611.20
  4. Step 4: Simplify right side
    32,243.20x = 754,695,363.84
  5. Step 5: Solve for x
    x = 754,695,363.84/32,243.20
  6. Step 6: Final answer
    x = 23,406.34

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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.