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Finding the Fourth Proportional to 45,610.40, 68,300.40 and 29,943.20

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Solution

The fourth proportional to 45,610.40, 68,300.40 and 29,943.20 is: 44,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,610.40 : 68,300.40 = 29,943.20 : x
  2. Step 2: Convert to fraction form
    45,610.40/68,300.40 = 29,943.20/x
  3. Step 3: Cross multiply
    45,610.40x = 68,300.40 × 29,943.20
  4. Step 4: Simplify right side
    45,610.40x = 2,045,132,537.28
  5. Step 5: Solve for x
    x = 2,045,132,537.28/45,610.40
  6. Step 6: Final answer
    x = 44,839.17

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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.