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Finding the Fourth Proportional to 63,639.30, 87,802.48 and 36,772.01

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Solution

The fourth proportional to 63,639.30, 87,802.48 and 36,772.01 is: 50,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.30 : 87,802.48 = 36,772.01 : x
  2. Step 2: Convert to fraction form
    63,639.30/87,802.48 = 36,772.01/x
  3. Step 3: Cross multiply
    63,639.30x = 87,802.48 × 36,772.01
  4. Step 4: Simplify right side
    63,639.30x = 3,228,673,141.64
  5. Step 5: Solve for x
    x = 3,228,673,141.64/63,639.30
  6. Step 6: Final answer
    x = 50,733.95

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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.