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Finding the Fourth Proportional to 2,364.47, 3,546.72 and 903.69

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Solution

The fourth proportional to 2,364.47, 3,546.72 and 903.69 is: 1,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.47 : 3,546.72 = 903.69 : x
  2. Step 2: Convert to fraction form
    2,364.47/3,546.72 = 903.69/x
  3. Step 3: Cross multiply
    2,364.47x = 3,546.72 × 903.69
  4. Step 4: Simplify right side
    2,364.47x = 3,205,135.40
  5. Step 5: Solve for x
    x = 3,205,135.40/2,364.47
  6. Step 6: Final answer
    x = 1,355.54

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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.