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Finding the Fourth Proportional to 64,376.48, 88,843.65 and 35,699.42

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Solution

The fourth proportional to 64,376.48, 88,843.65 and 35,699.42 is: 49,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.48 : 88,843.65 = 35,699.42 : x
  2. Step 2: Convert to fraction form
    64,376.48/88,843.65 = 35,699.42/x
  3. Step 3: Cross multiply
    64,376.48x = 88,843.65 × 35,699.42
  4. Step 4: Simplify right side
    64,376.48x = 3,171,666,775.68
  5. Step 5: Solve for x
    x = 3,171,666,775.68/64,376.48
  6. Step 6: Final answer
    x = 49,267.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.