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Finding the Fourth Proportional to 32,768.92, 45,220.56 and 18,232.56

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Solution

The fourth proportional to 32,768.92, 45,220.56 and 18,232.56 is: 25,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.92 : 45,220.56 = 18,232.56 : x
  2. Step 2: Convert to fraction form
    32,768.92/45,220.56 = 18,232.56/x
  3. Step 3: Cross multiply
    32,768.92x = 45,220.56 × 18,232.56
  4. Step 4: Simplify right side
    32,768.92x = 824,486,347.33
  5. Step 5: Solve for x
    x = 824,486,347.33/32,768.92
  6. Step 6: Final answer
    x = 25,160.62

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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.