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Finding the Fourth Proportional to 63,354.30, 87,420.29 and 37,855.28

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Solution

The fourth proportional to 63,354.30, 87,420.29 and 37,855.28 is: 52,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.30 : 87,420.29 = 37,855.28 : x
  2. Step 2: Convert to fraction form
    63,354.30/87,420.29 = 37,855.28/x
  3. Step 3: Cross multiply
    63,354.30x = 87,420.29 × 37,855.28
  4. Step 4: Simplify right side
    63,354.30x = 3,309,318,929.25
  5. Step 5: Solve for x
    x = 3,309,318,929.25/63,354.30
  6. Step 6: Final answer
    x = 52,235.11

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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.