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Finding the Fourth Proportional to 63,487.53, 87,595.06 and 50,016.98

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Solution

The fourth proportional to 63,487.53, 87,595.06 and 50,016.98 is: 69,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,487.53 : 87,595.06 = 50,016.98 : x
  2. Step 2: Convert to fraction form
    63,487.53/87,595.06 = 50,016.98/x
  3. Step 3: Cross multiply
    63,487.53x = 87,595.06 × 50,016.98
  4. Step 4: Simplify right side
    63,487.53x = 4,381,239,926.14
  5. Step 5: Solve for x
    x = 4,381,239,926.14/63,487.53
  6. Step 6: Final answer
    x = 69,009.46

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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.