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Finding the Fourth Proportional to 63,314.28, 87,373.54 and 36,447

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Solution

The fourth proportional to 63,314.28, 87,373.54 and 36,447 is: 50,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314.28 : 87,373.54 = 36,447 : x
  2. Step 2: Convert to fraction form
    63,314.28/87,373.54 = 36,447/x
  3. Step 3: Cross multiply
    63,314.28x = 87,373.54 × 36,447
  4. Step 4: Simplify right side
    63,314.28x = 3,184,503,412.38
  5. Step 5: Solve for x
    x = 3,184,503,412.38/63,314.28
  6. Step 6: Final answer
    x = 50,296.76

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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.