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Finding the Fourth Proportional to 64,458.93, 88,951.94 and 35,776.91

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Solution

The fourth proportional to 64,458.93, 88,951.94 and 35,776.91 is: 49,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.93 : 88,951.94 = 35,776.91 : x
  2. Step 2: Convert to fraction form
    64,458.93/88,951.94 = 35,776.91/x
  3. Step 3: Cross multiply
    64,458.93x = 88,951.94 × 35,776.91
  4. Step 4: Simplify right side
    64,458.93x = 3,182,425,372.82
  5. Step 5: Solve for x
    x = 3,182,425,372.82/64,458.93
  6. Step 6: Final answer
    x = 49,371.37

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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.