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Finding the Fourth Proportional to 32,386.20, 44,692.20 and 18,239.10

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Solution

The fourth proportional to 32,386.20, 44,692.20 and 18,239.10 is: 25,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,386.20 : 44,692.20 = 18,239.10 : x
  2. Step 2: Convert to fraction form
    32,386.20/44,692.20 = 18,239.10/x
  3. Step 3: Cross multiply
    32,386.20x = 44,692.20 × 18,239.10
  4. Step 4: Simplify right side
    32,386.20x = 815,145,505.02
  5. Step 5: Solve for x
    x = 815,145,505.02/32,386.20
  6. Step 6: Final answer
    x = 25,169.53

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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.