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Finding the Fourth Proportional to 50,608.60, 75,851.32 and 35,821.80

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Solution

The fourth proportional to 50,608.60, 75,851.32 and 35,821.80 is: 53,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,608.60 : 75,851.32 = 35,821.80 : x
  2. Step 2: Convert to fraction form
    50,608.60/75,851.32 = 35,821.80/x
  3. Step 3: Cross multiply
    50,608.60x = 75,851.32 × 35,821.80
  4. Step 4: Simplify right side
    50,608.60x = 2,717,130,814.78
  5. Step 5: Solve for x
    x = 2,717,130,814.78/50,608.60
  6. Step 6: Final answer
    x = 53,689.11

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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.