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Finding the Fourth Proportional to 50,404.48, 75,621.30 and 15,343.22

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Solution

The fourth proportional to 50,404.48, 75,621.30 and 15,343.22 is: 23,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,404.48 : 75,621.30 = 15,343.22 : x
  2. Step 2: Convert to fraction form
    50,404.48/75,621.30 = 15,343.22/x
  3. Step 3: Cross multiply
    50,404.48x = 75,621.30 × 15,343.22
  4. Step 4: Simplify right side
    50,404.48x = 1,160,274,374.10
  5. Step 5: Solve for x
    x = 1,160,274,374.10/50,404.48
  6. Step 6: Final answer
    x = 23,019.27

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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.