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Finding the Fourth Proportional to 29,104.57, 43,657.12 and 11,578.87

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Solution

The fourth proportional to 29,104.57, 43,657.12 and 11,578.87 is: 17,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.57 : 43,657.12 = 11,578.87 : x
  2. Step 2: Convert to fraction form
    29,104.57/43,657.12 = 11,578.87/x
  3. Step 3: Cross multiply
    29,104.57x = 43,657.12 × 11,578.87
  4. Step 4: Simplify right side
    29,104.57x = 505,499,898.77
  5. Step 5: Solve for x
    x = 505,499,898.77/29,104.57
  6. Step 6: Final answer
    x = 17,368.41

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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.