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Finding the Fourth Proportional to 50,643.46, 75,987.46 and 26,945.44

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Solution

The fourth proportional to 50,643.46, 75,987.46 and 26,945.44 is: 40,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.46 : 75,987.46 = 26,945.44 : x
  2. Step 2: Convert to fraction form
    50,643.46/75,987.46 = 26,945.44/x
  3. Step 3: Cross multiply
    50,643.46x = 75,987.46 × 26,945.44
  4. Step 4: Simplify right side
    50,643.46x = 2,047,515,544.18
  5. Step 5: Solve for x
    x = 2,047,515,544.18/50,643.46
  6. Step 6: Final answer
    x = 40,430.01

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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.