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Finding the Fourth Proportional to 68,509.25, 94,530.67 and 38,284.91

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Solution

The fourth proportional to 68,509.25, 94,530.67 and 38,284.91 is: 52,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,509.25 : 94,530.67 = 38,284.91 : x
  2. Step 2: Convert to fraction form
    68,509.25/94,530.67 = 38,284.91/x
  3. Step 3: Cross multiply
    68,509.25x = 94,530.67 × 38,284.91
  4. Step 4: Simplify right side
    68,509.25x = 3,619,097,624.82
  5. Step 5: Solve for x
    x = 3,619,097,624.82/68,509.25
  6. Step 6: Final answer
    x = 52,826.41

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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.