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Finding the Fourth Proportional to 64,650.98, 96,978.11 and 17,904.26

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Solution

The fourth proportional to 64,650.98, 96,978.11 and 17,904.26 is: 26,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650.98 : 96,978.11 = 17,904.26 : x
  2. Step 2: Convert to fraction form
    64,650.98/96,978.11 = 17,904.26/x
  3. Step 3: Cross multiply
    64,650.98x = 96,978.11 × 17,904.26
  4. Step 4: Simplify right side
    64,650.98x = 1,736,321,448.67
  5. Step 5: Solve for x
    x = 1,736,321,448.67/64,650.98
  6. Step 6: Final answer
    x = 26,856.85

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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.