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Finding the Fourth Proportional to 32,751.28, 45,195.46 and 18,602.56

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Solution

The fourth proportional to 32,751.28, 45,195.46 and 18,602.56 is: 25,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.28 : 45,195.46 = 18,602.56 : x
  2. Step 2: Convert to fraction form
    32,751.28/45,195.46 = 18,602.56/x
  3. Step 3: Cross multiply
    32,751.28x = 45,195.46 × 18,602.56
  4. Step 4: Simplify right side
    32,751.28x = 840,751,256.38
  5. Step 5: Solve for x
    x = 840,751,256.38/32,751.28
  6. Step 6: Final answer
    x = 25,670.79

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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.