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Finding the Fourth Proportional to 29,157.94, 40,227.66 and 19,091.93

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Solution

The fourth proportional to 29,157.94, 40,227.66 and 19,091.93 is: 26,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.94 : 40,227.66 = 19,091.93 : x
  2. Step 2: Convert to fraction form
    29,157.94/40,227.66 = 19,091.93/x
  3. Step 3: Cross multiply
    29,157.94x = 40,227.66 × 19,091.93
  4. Step 4: Simplify right side
    29,157.94x = 768,023,467.65
  5. Step 5: Solve for x
    x = 768,023,467.65/29,157.94
  6. Step 6: Final answer
    x = 26,340.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.