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Finding the Fourth Proportional to 63,516.78, 87,662.07 and 36,653.58

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Solution

The fourth proportional to 63,516.78, 87,662.07 and 36,653.58 is: 50,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,516.78 : 87,662.07 = 36,653.58 : x
  2. Step 2: Convert to fraction form
    63,516.78/87,662.07 = 36,653.58/x
  3. Step 3: Cross multiply
    63,516.78x = 87,662.07 × 36,653.58
  4. Step 4: Simplify right side
    63,516.78x = 3,213,128,695.71
  5. Step 5: Solve for x
    x = 3,213,128,695.71/63,516.78
  6. Step 6: Final answer
    x = 50,587.08

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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.