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Finding the Fourth Proportional to 65,552.78, 98,326.64 and 18,805.66

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Solution

The fourth proportional to 65,552.78, 98,326.64 and 18,805.66 is: 28,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,552.78 : 98,326.64 = 18,805.66 : x
  2. Step 2: Convert to fraction form
    65,552.78/98,326.64 = 18,805.66/x
  3. Step 3: Cross multiply
    65,552.78x = 98,326.64 × 18,805.66
  4. Step 4: Simplify right side
    65,552.78x = 1,849,097,161.98
  5. Step 5: Solve for x
    x = 1,849,097,161.98/65,552.78
  6. Step 6: Final answer
    x = 28,207.76

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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.