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Finding the Fourth Proportional to 55,800.66, 77,009.22 and 31,934.82

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Solution

The fourth proportional to 55,800.66, 77,009.22 and 31,934.82 is: 44,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.66 : 77,009.22 = 31,934.82 : x
  2. Step 2: Convert to fraction form
    55,800.66/77,009.22 = 31,934.82/x
  3. Step 3: Cross multiply
    55,800.66x = 77,009.22 × 31,934.82
  4. Step 4: Simplify right side
    55,800.66x = 2,459,275,579.04
  5. Step 5: Solve for x
    x = 2,459,275,579.04/55,800.66
  6. Step 6: Final answer
    x = 44,072.52

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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.