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Finding the Fourth Proportional to 61,104.52, 91,656.72 and 16,731.64

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Solution

The fourth proportional to 61,104.52, 91,656.72 and 16,731.64 is: 25,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,104.52 : 91,656.72 = 16,731.64 : x
  2. Step 2: Convert to fraction form
    61,104.52/91,656.72 = 16,731.64/x
  3. Step 3: Cross multiply
    61,104.52x = 91,656.72 × 16,731.64
  4. Step 4: Simplify right side
    61,104.52x = 1,533,567,242.62
  5. Step 5: Solve for x
    x = 1,533,567,242.62/61,104.52
  6. Step 6: Final answer
    x = 25,097.44

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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.