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Finding the Fourth Proportional to 50,404.60, 75,606.90 and 34,658.20

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Solution

The fourth proportional to 50,404.60, 75,606.90 and 34,658.20 is: 51,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,404.60 : 75,606.90 = 34,658.20 : x
  2. Step 2: Convert to fraction form
    50,404.60/75,606.90 = 34,658.20/x
  3. Step 3: Cross multiply
    50,404.60x = 75,606.90 × 34,658.20
  4. Step 4: Simplify right side
    50,404.60x = 2,620,399,061.58
  5. Step 5: Solve for x
    x = 2,620,399,061.58/50,404.60
  6. Step 6: Final answer
    x = 51,987.30

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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.