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Finding the Fourth Proportional to 64,592, 96,876.80 and 17,832.32

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Solution

The fourth proportional to 64,592, 96,876.80 and 17,832.32 is: 26,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592 : 96,876.80 = 17,832.32 : x
  2. Step 2: Convert to fraction form
    64,592/96,876.80 = 17,832.32/x
  3. Step 3: Cross multiply
    64,592x = 96,876.80 × 17,832.32
  4. Step 4: Simplify right side
    64,592x = 1,727,538,098.18
  5. Step 5: Solve for x
    x = 1,727,538,098.18/64,592
  6. Step 6: Final answer
    x = 26,745.39

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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.