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Finding the Fourth Proportional to 5,265.48, 7,893.52 and 2,490.42

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Solution

The fourth proportional to 5,265.48, 7,893.52 and 2,490.42 is: 3,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.48 : 7,893.52 = 2,490.42 : x
  2. Step 2: Convert to fraction form
    5,265.48/7,893.52 = 2,490.42/x
  3. Step 3: Cross multiply
    5,265.48x = 7,893.52 × 2,490.42
  4. Step 4: Simplify right side
    5,265.48x = 19,658,180.08
  5. Step 5: Solve for x
    x = 19,658,180.08/5,265.48
  6. Step 6: Final answer
    x = 3,733.41

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1.5x scale

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.