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Finding the Fourth Proportional to 54,867.04, 75,716.48 and 29,716.48

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Solution

The fourth proportional to 54,867.04, 75,716.48 and 29,716.48 is: 41,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.04 : 75,716.48 = 29,716.48 : x
  2. Step 2: Convert to fraction form
    54,867.04/75,716.48 = 29,716.48/x
  3. Step 3: Cross multiply
    54,867.04x = 75,716.48 × 29,716.48
  4. Step 4: Simplify right side
    54,867.04x = 2,250,027,263.59
  5. Step 5: Solve for x
    x = 2,250,027,263.59/54,867.04
  6. Step 6: Final answer
    x = 41,008.72

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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.