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Finding the Fourth Proportional to 64,342.36, 96,531.77 and 26,920.36

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Solution

The fourth proportional to 64,342.36, 96,531.77 and 26,920.36 is: 40,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.36 : 96,531.77 = 26,920.36 : x
  2. Step 2: Convert to fraction form
    64,342.36/96,531.77 = 26,920.36/x
  3. Step 3: Cross multiply
    64,342.36x = 96,531.77 × 26,920.36
  4. Step 4: Simplify right side
    64,342.36x = 2,598,669,999.84
  5. Step 5: Solve for x
    x = 2,598,669,999.84/64,342.36
  6. Step 6: Final answer
    x = 40,388.17

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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.