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Finding the Fourth Proportional to 4,936.06, 7,409.22 and 2,860.11

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Solution

The fourth proportional to 4,936.06, 7,409.22 and 2,860.11 is: 4,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.06 : 7,409.22 = 2,860.11 : x
  2. Step 2: Convert to fraction form
    4,936.06/7,409.22 = 2,860.11/x
  3. Step 3: Cross multiply
    4,936.06x = 7,409.22 × 2,860.11
  4. Step 4: Simplify right side
    4,936.06x = 21,191,173.49
  5. Step 5: Solve for x
    x = 21,191,173.49/4,936.06
  6. Step 6: Final answer
    x = 4,293.13

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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.