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Finding the Fourth Proportional to 12,697.95, 19,051.94 and 3,933.55

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Solution

The fourth proportional to 12,697.95, 19,051.94 and 3,933.55 is: 5,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.95 : 19,051.94 = 3,933.55 : x
  2. Step 2: Convert to fraction form
    12,697.95/19,051.94 = 3,933.55/x
  3. Step 3: Cross multiply
    12,697.95x = 19,051.94 × 3,933.55
  4. Step 4: Simplify right side
    12,697.95x = 74,941,768.42
  5. Step 5: Solve for x
    x = 74,941,768.42/12,697.95
  6. Step 6: Final answer
    x = 5,901.88

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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.