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Finding the Fourth Proportional to 63,362, 87,439.56 and 36,866

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Solution

The fourth proportional to 63,362, 87,439.56 and 36,866 is: 50,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,362 : 87,439.56 = 36,866 : x
  2. Step 2: Convert to fraction form
    63,362/87,439.56 = 36,866/x
  3. Step 3: Cross multiply
    63,362x = 87,439.56 × 36,866
  4. Step 4: Simplify right side
    63,362x = 3,223,546,818.96
  5. Step 5: Solve for x
    x = 3,223,546,818.96/63,362
  6. Step 6: Final answer
    x = 50,875.08

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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.