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Finding the Fourth Proportional to 45,898.25, 68,851.22 and 19,603.22

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Solution

The fourth proportional to 45,898.25, 68,851.22 and 19,603.22 is: 29,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,898.25 : 68,851.22 = 19,603.22 : x
  2. Step 2: Convert to fraction form
    45,898.25/68,851.22 = 19,603.22/x
  3. Step 3: Cross multiply
    45,898.25x = 68,851.22 × 19,603.22
  4. Step 4: Simplify right side
    45,898.25x = 1,349,705,170.66
  5. Step 5: Solve for x
    x = 1,349,705,170.66/45,898.25
  6. Step 6: Final answer
    x = 29,406.47

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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.