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Finding the Fourth Proportional to 63,688.64, 87,886.56 and 36,829.23

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Solution

The fourth proportional to 63,688.64, 87,886.56 and 36,829.23 is: 50,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,688.64 : 87,886.56 = 36,829.23 : x
  2. Step 2: Convert to fraction form
    63,688.64/87,886.56 = 36,829.23/x
  3. Step 3: Cross multiply
    63,688.64x = 87,886.56 × 36,829.23
  4. Step 4: Simplify right side
    63,688.64x = 3,236,794,332.15
  5. Step 5: Solve for x
    x = 3,236,794,332.15/63,688.64
  6. Step 6: Final answer
    x = 50,822.17

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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.