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Finding the Fourth Proportional to 32,420.67, 44,751.69 and 18,996.27

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Solution

The fourth proportional to 32,420.67, 44,751.69 and 18,996.27 is: 26,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.67 : 44,751.69 = 18,996.27 : x
  2. Step 2: Convert to fraction form
    32,420.67/44,751.69 = 18,996.27/x
  3. Step 3: Cross multiply
    32,420.67x = 44,751.69 × 18,996.27
  4. Step 4: Simplify right side
    32,420.67x = 850,115,298.08
  5. Step 5: Solve for x
    x = 850,115,298.08/32,420.67
  6. Step 6: Final answer
    x = 26,221.40

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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.