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Finding the Fourth Proportional to 61,603.82, 85,013.25 and 34,746.27

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Solution

The fourth proportional to 61,603.82, 85,013.25 and 34,746.27 is: 47,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603.82 : 85,013.25 = 34,746.27 : x
  2. Step 2: Convert to fraction form
    61,603.82/85,013.25 = 34,746.27/x
  3. Step 3: Cross multiply
    61,603.82x = 85,013.25 × 34,746.27
  4. Step 4: Simplify right side
    61,603.82x = 2,953,893,338.08
  5. Step 5: Solve for x
    x = 2,953,893,338.08/61,603.82
  6. Step 6: Final answer
    x = 47,949.84

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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.