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Finding the Fourth Proportional to 32,679.78, 45,098.07 and 17,775.78

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Solution

The fourth proportional to 32,679.78, 45,098.07 and 17,775.78 is: 24,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.78 : 45,098.07 = 17,775.78 : x
  2. Step 2: Convert to fraction form
    32,679.78/45,098.07 = 17,775.78/x
  3. Step 3: Cross multiply
    32,679.78x = 45,098.07 × 17,775.78
  4. Step 4: Simplify right side
    32,679.78x = 801,653,370.74
  5. Step 5: Solve for x
    x = 801,653,370.74/32,679.78
  6. Step 6: Final answer
    x = 24,530.56

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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.