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Finding the Fourth Proportional to 64,354.15, 96,531.29 and 26,893.72

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Solution

The fourth proportional to 64,354.15, 96,531.29 and 26,893.72 is: 40,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.15 : 96,531.29 = 26,893.72 : x
  2. Step 2: Convert to fraction form
    64,354.15/96,531.29 = 26,893.72/x
  3. Step 3: Cross multiply
    64,354.15x = 96,531.29 × 26,893.72
  4. Step 4: Simplify right side
    64,354.15x = 2,596,085,722.82
  5. Step 5: Solve for x
    x = 2,596,085,722.82/64,354.15
  6. Step 6: Final answer
    x = 40,340.61

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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.