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Finding the Fourth Proportional to 50,308.46, 75,462.65 and 12,868.60

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Solution

The fourth proportional to 50,308.46, 75,462.65 and 12,868.60 is: 19,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.46 : 75,462.65 = 12,868.60 : x
  2. Step 2: Convert to fraction form
    50,308.46/75,462.65 = 12,868.60/x
  3. Step 3: Cross multiply
    50,308.46x = 75,462.65 × 12,868.60
  4. Step 4: Simplify right side
    50,308.46x = 971,098,657.79
  5. Step 5: Solve for x
    x = 971,098,657.79/50,308.46
  6. Step 6: Final answer
    x = 19,302.89

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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.