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Finding the Fourth Proportional to 3,495.22, 4,822.74 and 2,169.25

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Solution

The fourth proportional to 3,495.22, 4,822.74 and 2,169.25 is: 2,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.22 : 4,822.74 = 2,169.25 : x
  2. Step 2: Convert to fraction form
    3,495.22/4,822.74 = 2,169.25/x
  3. Step 3: Cross multiply
    3,495.22x = 4,822.74 × 2,169.25
  4. Step 4: Simplify right side
    3,495.22x = 10,461,728.75
  5. Step 5: Solve for x
    x = 10,461,728.75/3,495.22
  6. Step 6: Final answer
    x = 2,993.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.