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Finding the Fourth Proportional to 44,755.66, 67,128.02 and 18,456.98

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Solution

The fourth proportional to 44,755.66, 67,128.02 and 18,456.98 is: 27,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,755.66 : 67,128.02 = 18,456.98 : x
  2. Step 2: Convert to fraction form
    44,755.66/67,128.02 = 18,456.98/x
  3. Step 3: Cross multiply
    44,755.66x = 67,128.02 × 18,456.98
  4. Step 4: Simplify right side
    44,755.66x = 1,238,980,598.11
  5. Step 5: Solve for x
    x = 1,238,980,598.11/44,755.66
  6. Step 6: Final answer
    x = 27,683.22

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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.