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Finding the Fourth Proportional to 62,709.66, 86,536.44 and 34,415.82

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Solution

The fourth proportional to 62,709.66, 86,536.44 and 34,415.82 is: 47,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,709.66 : 86,536.44 = 34,415.82 : x
  2. Step 2: Convert to fraction form
    62,709.66/86,536.44 = 34,415.82/x
  3. Step 3: Cross multiply
    62,709.66x = 86,536.44 × 34,415.82
  4. Step 4: Simplify right side
    62,709.66x = 2,978,222,542.48
  5. Step 5: Solve for x
    x = 2,978,222,542.48/62,709.66
  6. Step 6: Final answer
    x = 47,492.25

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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.