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Finding the Fourth Proportional to 3,392.34, 5,086.56 and 1,051.74

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Solution

The fourth proportional to 3,392.34, 5,086.56 and 1,051.74 is: 1,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.34 : 5,086.56 = 1,051.74 : x
  2. Step 2: Convert to fraction form
    3,392.34/5,086.56 = 1,051.74/x
  3. Step 3: Cross multiply
    3,392.34x = 5,086.56 × 1,051.74
  4. Step 4: Simplify right side
    3,392.34x = 5,349,738.61
  5. Step 5: Solve for x
    x = 5,349,738.61/3,392.34
  6. Step 6: Final answer
    x = 1,577.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.