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Finding the Fourth Proportional to 32,190, 44,412.42 and 20,265.24

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Solution

The fourth proportional to 32,190, 44,412.42 and 20,265.24 is: 27,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190 : 44,412.42 = 20,265.24 : x
  2. Step 2: Convert to fraction form
    32,190/44,412.42 = 20,265.24/x
  3. Step 3: Cross multiply
    32,190x = 44,412.42 × 20,265.24
  4. Step 4: Simplify right side
    32,190x = 900,028,350.28
  5. Step 5: Solve for x
    x = 900,028,350.28/32,190
  6. Step 6: Final answer
    x = 27,959.87

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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.