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Finding the Fourth Proportional to 61,203.19, 91,796.14 and 19,644.79

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Solution

The fourth proportional to 61,203.19, 91,796.14 and 19,644.79 is: 29,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.19 : 91,796.14 = 19,644.79 : x
  2. Step 2: Convert to fraction form
    61,203.19/91,796.14 = 19,644.79/x
  3. Step 3: Cross multiply
    61,203.19x = 91,796.14 × 19,644.79
  4. Step 4: Simplify right side
    61,203.19x = 1,803,315,335.91
  5. Step 5: Solve for x
    x = 1,803,315,335.91/61,203.19
  6. Step 6: Final answer
    x = 29,464.40

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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.