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Finding the Fourth Proportional to 63,445.40, 95,174.58 and 21,887

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Solution

The fourth proportional to 63,445.40, 95,174.58 and 21,887 is: 32,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.40 : 95,174.58 = 21,887 : x
  2. Step 2: Convert to fraction form
    63,445.40/95,174.58 = 21,887/x
  3. Step 3: Cross multiply
    63,445.40x = 95,174.58 × 21,887
  4. Step 4: Simplify right side
    63,445.40x = 2,083,086,032.46
  5. Step 5: Solve for x
    x = 2,083,086,032.46/63,445.40
  6. Step 6: Final answer
    x = 32,832.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.