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Finding the Fourth Proportional to 63,663.84, 87,849.36 and 36,802.08

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Solution

The fourth proportional to 63,663.84, 87,849.36 and 36,802.08 is: 50,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.84 : 87,849.36 = 36,802.08 : x
  2. Step 2: Convert to fraction form
    63,663.84/87,849.36 = 36,802.08/x
  3. Step 3: Cross multiply
    63,663.84x = 87,849.36 × 36,802.08
  4. Step 4: Simplify right side
    63,663.84x = 3,233,039,174.67
  5. Step 5: Solve for x
    x = 3,233,039,174.67/63,663.84
  6. Step 6: Final answer
    x = 50,782.97

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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.