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Finding the Fourth Proportional to 32,908.14, 45,412.11 and 18,765.54

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Solution

The fourth proportional to 32,908.14, 45,412.11 and 18,765.54 is: 25,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,908.14 : 45,412.11 = 18,765.54 : x
  2. Step 2: Convert to fraction form
    32,908.14/45,412.11 = 18,765.54/x
  3. Step 3: Cross multiply
    32,908.14x = 45,412.11 × 18,765.54
  4. Step 4: Simplify right side
    32,908.14x = 852,182,766.69
  5. Step 5: Solve for x
    x = 852,182,766.69/32,908.14
  6. Step 6: Final answer
    x = 25,895.80

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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.