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Finding the Fourth Proportional to 2,356.08, 3,250.08 and 2,189.22

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Solution

The fourth proportional to 2,356.08, 3,250.08 and 2,189.22 is: 3,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.08 : 3,250.08 = 2,189.22 : x
  2. Step 2: Convert to fraction form
    2,356.08/3,250.08 = 2,189.22/x
  3. Step 3: Cross multiply
    2,356.08x = 3,250.08 × 2,189.22
  4. Step 4: Simplify right side
    2,356.08x = 7,115,140.14
  5. Step 5: Solve for x
    x = 7,115,140.14/2,356.08
  6. Step 6: Final answer
    x = 3,019.91

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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.