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Finding the Fourth Proportional to 50,881.61, 76,306.87 and 35,187.50

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Solution

The fourth proportional to 50,881.61, 76,306.87 and 35,187.50 is: 52,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.61 : 76,306.87 = 35,187.50 : x
  2. Step 2: Convert to fraction form
    50,881.61/76,306.87 = 35,187.50/x
  3. Step 3: Cross multiply
    50,881.61x = 76,306.87 × 35,187.50
  4. Step 4: Simplify right side
    50,881.61x = 2,685,047,812.19
  5. Step 5: Solve for x
    x = 2,685,047,812.19/50,881.61
  6. Step 6: Final answer
    x = 52,770.50

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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.