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Finding the Fourth Proportional to 32,386.86, 44,692.83 and 18,237.78

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Solution

The fourth proportional to 32,386.86, 44,692.83 and 18,237.78 is: 25,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,386.86 : 44,692.83 = 18,237.78 : x
  2. Step 2: Convert to fraction form
    32,386.86/44,692.83 = 18,237.78/x
  3. Step 3: Cross multiply
    32,386.86x = 44,692.83 × 18,237.78
  4. Step 4: Simplify right side
    32,386.86x = 815,098,001.12
  5. Step 5: Solve for x
    x = 815,098,001.12/32,386.86
  6. Step 6: Final answer
    x = 25,167.55

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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.