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Finding the Fourth Proportional to 29,367.75, 40,561.14 and 19,341

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Solution

The fourth proportional to 29,367.75, 40,561.14 and 19,341 is: 26,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,367.75 : 40,561.14 = 19,341 : x
  2. Step 2: Convert to fraction form
    29,367.75/40,561.14 = 19,341/x
  3. Step 3: Cross multiply
    29,367.75x = 40,561.14 × 19,341
  4. Step 4: Simplify right side
    29,367.75x = 784,493,008.74
  5. Step 5: Solve for x
    x = 784,493,008.74/29,367.75
  6. Step 6: Final answer
    x = 26,712.74

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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.