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Finding the Fourth Proportional to 63,394.69, 87,378.38 and 50,606.89

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Solution

The fourth proportional to 63,394.69, 87,378.38 and 50,606.89 is: 69,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.69 : 87,378.38 = 50,606.89 : x
  2. Step 2: Convert to fraction form
    63,394.69/87,378.38 = 50,606.89/x
  3. Step 3: Cross multiply
    63,394.69x = 87,378.38 × 50,606.89
  4. Step 4: Simplify right side
    63,394.69x = 4,421,948,065.04
  5. Step 5: Solve for x
    x = 4,421,948,065.04/63,394.69
  6. Step 6: Final answer
    x = 69,752.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.