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Finding the Fourth Proportional to 55,710.72, 76,873.88 and 35,579.39

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Solution

The fourth proportional to 55,710.72, 76,873.88 and 35,579.39 is: 49,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,710.72 : 76,873.88 = 35,579.39 : x
  2. Step 2: Convert to fraction form
    55,710.72/76,873.88 = 35,579.39/x
  3. Step 3: Cross multiply
    55,710.72x = 76,873.88 × 35,579.39
  4. Step 4: Simplify right side
    55,710.72x = 2,735,125,195.07
  5. Step 5: Solve for x
    x = 2,735,125,195.07/55,710.72
  6. Step 6: Final answer
    x = 49,095.13

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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.