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Finding the Fourth Proportional to 63,459.69, 87,563.28 and 36,223.35

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Solution

The fourth proportional to 63,459.69, 87,563.28 and 36,223.35 is: 49,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,459.69 : 87,563.28 = 36,223.35 : x
  2. Step 2: Convert to fraction form
    63,459.69/87,563.28 = 36,223.35/x
  3. Step 3: Cross multiply
    63,459.69x = 87,563.28 × 36,223.35
  4. Step 4: Simplify right side
    63,459.69x = 3,171,835,338.59
  5. Step 5: Solve for x
    x = 3,171,835,338.59/63,459.69
  6. Step 6: Final answer
    x = 49,981.89

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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.