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Finding the Fourth Proportional to 50,641.96, 75,948.30 and 19,469.80

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Solution

The fourth proportional to 50,641.96, 75,948.30 and 19,469.80 is: 29,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,641.96 : 75,948.30 = 19,469.80 : x
  2. Step 2: Convert to fraction form
    50,641.96/75,948.30 = 19,469.80/x
  3. Step 3: Cross multiply
    50,641.96x = 75,948.30 × 19,469.80
  4. Step 4: Simplify right side
    50,641.96x = 1,478,698,211.34
  5. Step 5: Solve for x
    x = 1,478,698,211.34/50,641.96
  6. Step 6: Final answer
    x = 29,199.07

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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.