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Finding the Fourth Proportional to 41,248.40, 61,858.20 and 21,520.40

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Solution

The fourth proportional to 41,248.40, 61,858.20 and 21,520.40 is: 32,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,248.40 : 61,858.20 = 21,520.40 : x
  2. Step 2: Convert to fraction form
    41,248.40/61,858.20 = 21,520.40/x
  3. Step 3: Cross multiply
    41,248.40x = 61,858.20 × 21,520.40
  4. Step 4: Simplify right side
    41,248.40x = 1,331,213,207.28
  5. Step 5: Solve for x
    x = 1,331,213,207.28/41,248.40
  6. Step 6: Final answer
    x = 32,273.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.