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Finding the Fourth Proportional to 61,560.82, 84,948.83 and 34,709.93

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Solution

The fourth proportional to 61,560.82, 84,948.83 and 34,709.93 is: 47,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,560.82 : 84,948.83 = 34,709.93 : x
  2. Step 2: Convert to fraction form
    61,560.82/84,948.83 = 34,709.93/x
  3. Step 3: Cross multiply
    61,560.82x = 84,948.83 × 34,709.93
  4. Step 4: Simplify right side
    61,560.82x = 2,948,567,518.14
  5. Step 5: Solve for x
    x = 2,948,567,518.14/61,560.82
  6. Step 6: Final answer
    x = 47,896.82

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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.