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Finding the Fourth Proportional to 41,878.56, 62,809.47 and 20,522.10

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Solution

The fourth proportional to 41,878.56, 62,809.47 and 20,522.10 is: 30,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.56 : 62,809.47 = 20,522.10 : x
  2. Step 2: Convert to fraction form
    41,878.56/62,809.47 = 20,522.10/x
  3. Step 3: Cross multiply
    41,878.56x = 62,809.47 × 20,522.10
  4. Step 4: Simplify right side
    41,878.56x = 1,288,982,224.29
  5. Step 5: Solve for x
    x = 1,288,982,224.29/41,878.56
  6. Step 6: Final answer
    x = 30,779.05

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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.