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Finding the Fourth Proportional to 51,574.95, 71,157.78 and 33,396.93

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Solution

The fourth proportional to 51,574.95, 71,157.78 and 33,396.93 is: 46,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,574.95 : 71,157.78 = 33,396.93 : x
  2. Step 2: Convert to fraction form
    51,574.95/71,157.78 = 33,396.93/x
  3. Step 3: Cross multiply
    51,574.95x = 71,157.78 × 33,396.93
  4. Step 4: Simplify right side
    51,574.95x = 2,376,451,397.62
  5. Step 5: Solve for x
    x = 2,376,451,397.62/51,574.95
  6. Step 6: Final answer
    x = 46,077.63

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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.