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Finding the Fourth Proportional to 32,751.55, 45,161.44 and 22,122.73

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Solution

The fourth proportional to 32,751.55, 45,161.44 and 22,122.73 is: 30,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.55 : 45,161.44 = 22,122.73 : x
  2. Step 2: Convert to fraction form
    32,751.55/45,161.44 = 22,122.73/x
  3. Step 3: Cross multiply
    32,751.55x = 45,161.44 × 22,122.73
  4. Step 4: Simplify right side
    32,751.55x = 999,094,343.53
  5. Step 5: Solve for x
    x = 999,094,343.53/32,751.55
  6. Step 6: Final answer
    x = 30,505.25

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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.