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Finding the Fourth Proportional to 63,409.18, 87,483.18 and 36,550.84

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Solution

The fourth proportional to 63,409.18, 87,483.18 and 36,550.84 is: 50,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,409.18 : 87,483.18 = 36,550.84 : x
  2. Step 2: Convert to fraction form
    63,409.18/87,483.18 = 36,550.84/x
  3. Step 3: Cross multiply
    63,409.18x = 87,483.18 × 36,550.84
  4. Step 4: Simplify right side
    63,409.18x = 3,197,583,714.87
  5. Step 5: Solve for x
    x = 3,197,583,714.87/63,409.18
  6. Step 6: Final answer
    x = 50,427.77

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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.