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Finding the Fourth Proportional to 64,533.78, 96,805.53 and 17,786.25

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Solution

The fourth proportional to 64,533.78, 96,805.53 and 17,786.25 is: 26,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,533.78 : 96,805.53 = 17,786.25 : x
  2. Step 2: Convert to fraction form
    64,533.78/96,805.53 = 17,786.25/x
  3. Step 3: Cross multiply
    64,533.78x = 96,805.53 × 17,786.25
  4. Step 4: Simplify right side
    64,533.78x = 1,721,807,357.96
  5. Step 5: Solve for x
    x = 1,721,807,357.96/64,533.78
  6. Step 6: Final answer
    x = 26,680.71

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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.