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Finding the Fourth Proportional to 29,040.76, 43,561.16 and 8,264.26

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Solution

The fourth proportional to 29,040.76, 43,561.16 and 8,264.26 is: 12,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.76 : 43,561.16 = 8,264.26 : x
  2. Step 2: Convert to fraction form
    29,040.76/43,561.16 = 8,264.26/x
  3. Step 3: Cross multiply
    29,040.76x = 43,561.16 × 8,264.26
  4. Step 4: Simplify right side
    29,040.76x = 360,000,752.14
  5. Step 5: Solve for x
    x = 360,000,752.14/29,040.76
  6. Step 6: Final answer
    x = 12,396.40

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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.