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Finding the Fourth Proportional to 29,108.76, 43,667.98 and 11,578.76

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Solution

The fourth proportional to 29,108.76, 43,667.98 and 11,578.76 is: 17,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.76 : 43,667.98 = 11,578.76 : x
  2. Step 2: Convert to fraction form
    29,108.76/43,667.98 = 11,578.76/x
  3. Step 3: Cross multiply
    29,108.76x = 43,667.98 × 11,578.76
  4. Step 4: Simplify right side
    29,108.76x = 505,621,060.10
  5. Step 5: Solve for x
    x = 505,621,060.10/29,108.76
  6. Step 6: Final answer
    x = 17,370.07

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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.