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Finding the Fourth Proportional to 63,482.22, 87,603.39 and 38,327.34

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Solution

The fourth proportional to 63,482.22, 87,603.39 and 38,327.34 is: 52,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,482.22 : 87,603.39 = 38,327.34 : x
  2. Step 2: Convert to fraction form
    63,482.22/87,603.39 = 38,327.34/x
  3. Step 3: Cross multiply
    63,482.22x = 87,603.39 × 38,327.34
  4. Step 4: Simplify right side
    63,482.22x = 3,357,604,913.68
  5. Step 5: Solve for x
    x = 3,357,604,913.68/63,482.22
  6. Step 6: Final answer
    x = 52,890.48

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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.