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Finding the Fourth Proportional to 64,879.52, 97,357.71 and 27,437.54

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Solution

The fourth proportional to 64,879.52, 97,357.71 and 27,437.54 is: 41,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.52 : 97,357.71 = 27,437.54 : x
  2. Step 2: Convert to fraction form
    64,879.52/97,357.71 = 27,437.54/x
  3. Step 3: Cross multiply
    64,879.52x = 97,357.71 × 27,437.54
  4. Step 4: Simplify right side
    64,879.52x = 2,671,256,062.43
  5. Step 5: Solve for x
    x = 2,671,256,062.43/64,879.52
  6. Step 6: Final answer
    x = 41,172.56

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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.