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Finding the Fourth Proportional to 60,308.82, 90,434.48 and 27,029.16

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Solution

The fourth proportional to 60,308.82, 90,434.48 and 27,029.16 is: 40,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.82 : 90,434.48 = 27,029.16 : x
  2. Step 2: Convert to fraction form
    60,308.82/90,434.48 = 27,029.16/x
  3. Step 3: Cross multiply
    60,308.82x = 90,434.48 × 27,029.16
  4. Step 4: Simplify right side
    60,308.82x = 2,444,367,894.29
  5. Step 5: Solve for x
    x = 2,444,367,894.29/60,308.82
  6. Step 6: Final answer
    x = 40,530.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.