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Finding the Fourth Proportional to 64,878.48, 97,287.48 and 33,705.36

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Solution

The fourth proportional to 64,878.48, 97,287.48 and 33,705.36 is: 50,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,878.48 : 97,287.48 = 33,705.36 : x
  2. Step 2: Convert to fraction form
    64,878.48/97,287.48 = 33,705.36/x
  3. Step 3: Cross multiply
    64,878.48x = 97,287.48 × 33,705.36
  4. Step 4: Simplify right side
    64,878.48x = 3,279,109,536.89
  5. Step 5: Solve for x
    x = 3,279,109,536.89/64,878.48
  6. Step 6: Final answer
    x = 50,542.33

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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.