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Finding the Fourth Proportional to 1,641.48, 2,463 and 1,503.08

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Solution

The fourth proportional to 1,641.48, 2,463 and 1,503.08 is: 2,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.48 : 2,463 = 1,503.08 : x
  2. Step 2: Convert to fraction form
    1,641.48/2,463 = 1,503.08/x
  3. Step 3: Cross multiply
    1,641.48x = 2,463 × 1,503.08
  4. Step 4: Simplify right side
    1,641.48x = 3,702,086.04
  5. Step 5: Solve for x
    x = 3,702,086.04/1,641.48
  6. Step 6: Final answer
    x = 2,255.33

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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.