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Finding the Fourth Proportional to 4,943.88, 7,404.48 and 3,160.26

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Solution

The fourth proportional to 4,943.88, 7,404.48 and 3,160.26 is: 4,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.88 : 7,404.48 = 3,160.26 : x
  2. Step 2: Convert to fraction form
    4,943.88/7,404.48 = 3,160.26/x
  3. Step 3: Cross multiply
    4,943.88x = 7,404.48 × 3,160.26
  4. Step 4: Simplify right side
    4,943.88x = 23,400,081.96
  5. Step 5: Solve for x
    x = 23,400,081.96/4,943.88
  6. Step 6: Final answer
    x = 4,733.14

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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.