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Finding the Fourth Proportional to 32,486.20, 44,826.42 and 18,145.42

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Solution

The fourth proportional to 32,486.20, 44,826.42 and 18,145.42 is: 25,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.20 : 44,826.42 = 18,145.42 : x
  2. Step 2: Convert to fraction form
    32,486.20/44,826.42 = 18,145.42/x
  3. Step 3: Cross multiply
    32,486.20x = 44,826.42 × 18,145.42
  4. Step 4: Simplify right side
    32,486.20x = 813,394,218.00
  5. Step 5: Solve for x
    x = 813,394,218.00/32,486.20
  6. Step 6: Final answer
    x = 25,038.15

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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.