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Finding the Fourth Proportional to 61,101.64, 91,650.78 and 19,548.04

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Solution

The fourth proportional to 61,101.64, 91,650.78 and 19,548.04 is: 29,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101.64 : 91,650.78 = 19,548.04 : x
  2. Step 2: Convert to fraction form
    61,101.64/91,650.78 = 19,548.04/x
  3. Step 3: Cross multiply
    61,101.64x = 91,650.78 × 19,548.04
  4. Step 4: Simplify right side
    61,101.64x = 1,791,593,113.47
  5. Step 5: Solve for x
    x = 1,791,593,113.47/61,101.64
  6. Step 6: Final answer
    x = 29,321.52

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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.