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Finding the Fourth Proportional to 63,314.78, 87,374.23 and 36,447.50

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Solution

The fourth proportional to 63,314.78, 87,374.23 and 36,447.50 is: 50,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314.78 : 87,374.23 = 36,447.50 : x
  2. Step 2: Convert to fraction form
    63,314.78/87,374.23 = 36,447.50/x
  3. Step 3: Cross multiply
    63,314.78x = 87,374.23 × 36,447.50
  4. Step 4: Simplify right side
    63,314.78x = 3,184,572,247.93
  5. Step 5: Solve for x
    x = 3,184,572,247.93/63,314.78
  6. Step 6: Final answer
    x = 50,297.45

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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.