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Finding the Fourth Proportional to 63,308.64, 87,363.09 and 36,445.44

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Solution

The fourth proportional to 63,308.64, 87,363.09 and 36,445.44 is: 50,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,308.64 : 87,363.09 = 36,445.44 : x
  2. Step 2: Convert to fraction form
    63,308.64/87,363.09 = 36,445.44/x
  3. Step 3: Cross multiply
    63,308.64x = 87,363.09 × 36,445.44
  4. Step 4: Simplify right side
    63,308.64x = 3,183,986,254.81
  5. Step 5: Solve for x
    x = 3,183,986,254.81/63,308.64
  6. Step 6: Final answer
    x = 50,293.08

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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.