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Finding the Fourth Proportional to 63,555.57, 87,703.20 and 36,696.51

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Solution

The fourth proportional to 63,555.57, 87,703.20 and 36,696.51 is: 50,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,555.57 : 87,703.20 = 36,696.51 : x
  2. Step 2: Convert to fraction form
    63,555.57/87,703.20 = 36,696.51/x
  3. Step 3: Cross multiply
    63,555.57x = 87,703.20 × 36,696.51
  4. Step 4: Simplify right side
    63,555.57x = 3,218,401,355.83
  5. Step 5: Solve for x
    x = 3,218,401,355.83/63,555.57
  6. Step 6: Final answer
    x = 50,639.17

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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.