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Finding the Fourth Proportional to 45,658.93, 68,493.86 and 19,360.25

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Solution

The fourth proportional to 45,658.93, 68,493.86 and 19,360.25 is: 29,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.93 : 68,493.86 = 19,360.25 : x
  2. Step 2: Convert to fraction form
    45,658.93/68,493.86 = 19,360.25/x
  3. Step 3: Cross multiply
    45,658.93x = 68,493.86 × 19,360.25
  4. Step 4: Simplify right side
    45,658.93x = 1,326,058,253.07
  5. Step 5: Solve for x
    x = 1,326,058,253.07/45,658.93
  6. Step 6: Final answer
    x = 29,042.69

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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.