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Finding the Fourth Proportional to 50,868.81, 76,303.49 and 15,808.50

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Solution

The fourth proportional to 50,868.81, 76,303.49 and 15,808.50 is: 23,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.81 : 76,303.49 = 15,808.50 : x
  2. Step 2: Convert to fraction form
    50,868.81/76,303.49 = 15,808.50/x
  3. Step 3: Cross multiply
    50,868.81x = 76,303.49 × 15,808.50
  4. Step 4: Simplify right side
    50,868.81x = 1,206,243,642.62
  5. Step 5: Solve for x
    x = 1,206,243,642.62/50,868.81
  6. Step 6: Final answer
    x = 23,712.83

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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.