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Finding the Fourth Proportional to 41,575.40, 62,420.70 and 32,820.20

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Solution

The fourth proportional to 41,575.40, 62,420.70 and 32,820.20 is: 49,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,575.40 : 62,420.70 = 32,820.20 : x
  2. Step 2: Convert to fraction form
    41,575.40/62,420.70 = 32,820.20/x
  3. Step 3: Cross multiply
    41,575.40x = 62,420.70 × 32,820.20
  4. Step 4: Simplify right side
    41,575.40x = 2,048,659,858.14
  5. Step 5: Solve for x
    x = 2,048,659,858.14/41,575.40
  6. Step 6: Final answer
    x = 49,275.77

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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.