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Finding the Fourth Proportional to 32,731.56, 45,169.56 and 18,586.56

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Solution

The fourth proportional to 32,731.56, 45,169.56 and 18,586.56 is: 25,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.56 : 45,169.56 = 18,586.56 : x
  2. Step 2: Convert to fraction form
    32,731.56/45,169.56 = 18,586.56/x
  3. Step 3: Cross multiply
    32,731.56x = 45,169.56 × 18,586.56
  4. Step 4: Simplify right side
    32,731.56x = 839,546,737.11
  5. Step 5: Solve for x
    x = 839,546,737.11/32,731.56
  6. Step 6: Final answer
    x = 25,649.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.