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Finding the Fourth Proportional to 32,892.31, 45,391.95 and 18,745.39

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Solution

The fourth proportional to 32,892.31, 45,391.95 and 18,745.39 is: 25,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.31 : 45,391.95 = 18,745.39 : x
  2. Step 2: Convert to fraction form
    32,892.31/45,391.95 = 18,745.39/x
  3. Step 3: Cross multiply
    32,892.31x = 45,391.95 × 18,745.39
  4. Step 4: Simplify right side
    32,892.31x = 850,889,484.92
  5. Step 5: Solve for x
    x = 850,889,484.92/32,892.31
  6. Step 6: Final answer
    x = 25,868.95

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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.