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Finding the Fourth Proportional to 61,949.51, 85,487.58 and 35,091.48

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Solution

The fourth proportional to 61,949.51, 85,487.58 and 35,091.48 is: 48,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.51 : 85,487.58 = 35,091.48 : x
  2. Step 2: Convert to fraction form
    61,949.51/85,487.58 = 35,091.48/x
  3. Step 3: Cross multiply
    61,949.51x = 85,487.58 × 35,091.48
  4. Step 4: Simplify right side
    61,949.51x = 2,999,885,703.82
  5. Step 5: Solve for x
    x = 2,999,885,703.82/61,949.51
  6. Step 6: Final answer
    x = 48,424.69

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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.