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Finding the Fourth Proportional to 3,356.55, 5,036.55 and 2,539.83

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Solution

The fourth proportional to 3,356.55, 5,036.55 and 2,539.83 is: 3,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.55 : 5,036.55 = 2,539.83 : x
  2. Step 2: Convert to fraction form
    3,356.55/5,036.55 = 2,539.83/x
  3. Step 3: Cross multiply
    3,356.55x = 5,036.55 × 2,539.83
  4. Step 4: Simplify right side
    3,356.55x = 12,791,980.79
  5. Step 5: Solve for x
    x = 12,791,980.79/3,356.55
  6. Step 6: Final answer
    x = 3,811.05

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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.