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Finding the Fourth Proportional to 2,433.78, 3,650.13 and 972.54

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Solution

The fourth proportional to 2,433.78, 3,650.13 and 972.54 is: 1,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.78 : 3,650.13 = 972.54 : x
  2. Step 2: Convert to fraction form
    2,433.78/3,650.13 = 972.54/x
  3. Step 3: Cross multiply
    2,433.78x = 3,650.13 × 972.54
  4. Step 4: Simplify right side
    2,433.78x = 3,549,897.43
  5. Step 5: Solve for x
    x = 3,549,897.43/2,433.78
  6. Step 6: Final answer
    x = 1,458.59

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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.