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Finding the Fourth Proportional to 63,303.36, 87,366.92 and 36,447

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Solution

The fourth proportional to 63,303.36, 87,366.92 and 36,447 is: 50,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,303.36 : 87,366.92 = 36,447 : x
  2. Step 2: Convert to fraction form
    63,303.36/87,366.92 = 36,447/x
  3. Step 3: Cross multiply
    63,303.36x = 87,366.92 × 36,447
  4. Step 4: Simplify right side
    63,303.36x = 3,184,261,951.01
  5. Step 5: Solve for x
    x = 3,184,261,951.01/63,303.36
  6. Step 6: Final answer
    x = 50,301.63

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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.