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Finding the Fourth Proportional to 29,607.92, 44,389.92 and 17,918.40

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Solution

The fourth proportional to 29,607.92, 44,389.92 and 17,918.40 is: 26,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.92 : 44,389.92 = 17,918.40 : x
  2. Step 2: Convert to fraction form
    29,607.92/44,389.92 = 17,918.40/x
  3. Step 3: Cross multiply
    29,607.92x = 44,389.92 × 17,918.40
  4. Step 4: Simplify right side
    29,607.92x = 795,396,342.53
  5. Step 5: Solve for x
    x = 795,396,342.53/29,607.92
  6. Step 6: Final answer
    x = 26,864.31

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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.