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Finding the Fourth Proportional to 2,503.63, 3,756.78 and 1,625.92

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Solution

The fourth proportional to 2,503.63, 3,756.78 and 1,625.92 is: 2,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.63 : 3,756.78 = 1,625.92 : x
  2. Step 2: Convert to fraction form
    2,503.63/3,756.78 = 1,625.92/x
  3. Step 3: Cross multiply
    2,503.63x = 3,756.78 × 1,625.92
  4. Step 4: Simplify right side
    2,503.63x = 6,108,223.74
  5. Step 5: Solve for x
    x = 6,108,223.74/2,503.63
  6. Step 6: Final answer
    x = 2,439.75

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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.