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Finding the Fourth Proportional to 64,435.61, 96,691.07 and 26,992.51

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Solution

The fourth proportional to 64,435.61, 96,691.07 and 26,992.51 is: 40,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,435.61 : 96,691.07 = 26,992.51 : x
  2. Step 2: Convert to fraction form
    64,435.61/96,691.07 = 26,992.51/x
  3. Step 3: Cross multiply
    64,435.61x = 96,691.07 × 26,992.51
  4. Step 4: Simplify right side
    64,435.61x = 2,609,934,499.64
  5. Step 5: Solve for x
    x = 2,609,934,499.64/64,435.61
  6. Step 6: Final answer
    x = 40,504.53

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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.