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Finding the Fourth Proportional to 50,454.90, 75,681.74 and 15,394.66

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Solution

The fourth proportional to 50,454.90, 75,681.74 and 15,394.66 is: 23,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,454.90 : 75,681.74 = 15,394.66 : x
  2. Step 2: Convert to fraction form
    50,454.90/75,681.74 = 15,394.66/x
  3. Step 3: Cross multiply
    50,454.90x = 75,681.74 × 15,394.66
  4. Step 4: Simplify right side
    50,454.90x = 1,165,094,504.79
  5. Step 5: Solve for x
    x = 1,165,094,504.79/50,454.90
  6. Step 6: Final answer
    x = 23,091.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.