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Finding the Fourth Proportional to 2,409.84, 3,619.62 and 1,437.84

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Solution

The fourth proportional to 2,409.84, 3,619.62 and 1,437.84 is: 2,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.84 : 3,619.62 = 1,437.84 : x
  2. Step 2: Convert to fraction form
    2,409.84/3,619.62 = 1,437.84/x
  3. Step 3: Cross multiply
    2,409.84x = 3,619.62 × 1,437.84
  4. Step 4: Simplify right side
    2,409.84x = 5,204,434.42
  5. Step 5: Solve for x
    x = 5,204,434.42/2,409.84
  6. Step 6: Final answer
    x = 2,159.66

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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.