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Finding the Fourth Proportional to 29,304.80, 43,856.40 and 17,626.40

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Solution

The fourth proportional to 29,304.80, 43,856.40 and 17,626.40 is: 26,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.80 : 43,856.40 = 17,626.40 : x
  2. Step 2: Convert to fraction form
    29,304.80/43,856.40 = 17,626.40/x
  3. Step 3: Cross multiply
    29,304.80x = 43,856.40 × 17,626.40
  4. Step 4: Simplify right side
    29,304.80x = 773,030,448.96
  5. Step 5: Solve for x
    x = 773,030,448.96/29,304.80
  6. Step 6: Final answer
    x = 26,378.97

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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.