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Finding the Fourth Proportional to 2,404.50, 3,607.83 and 1,378.50

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Solution

The fourth proportional to 2,404.50, 3,607.83 and 1,378.50 is: 2,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.50 : 3,607.83 = 1,378.50 : x
  2. Step 2: Convert to fraction form
    2,404.50/3,607.83 = 1,378.50/x
  3. Step 3: Cross multiply
    2,404.50x = 3,607.83 × 1,378.50
  4. Step 4: Simplify right side
    2,404.50x = 4,973,393.66
  5. Step 5: Solve for x
    x = 4,973,393.66/2,404.50
  6. Step 6: Final answer
    x = 2,068.37

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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.