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Finding the Fourth Proportional to 29,055.63, 43,584.05 and 8,279.13

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Solution

The fourth proportional to 29,055.63, 43,584.05 and 8,279.13 is: 12,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,055.63 : 43,584.05 = 8,279.13 : x
  2. Step 2: Convert to fraction form
    29,055.63/43,584.05 = 8,279.13/x
  3. Step 3: Cross multiply
    29,055.63x = 43,584.05 × 8,279.13
  4. Step 4: Simplify right side
    29,055.63x = 360,838,015.88
  5. Step 5: Solve for x
    x = 360,838,015.88/29,055.63
  6. Step 6: Final answer
    x = 12,418.87

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1.5x scale

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.