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Finding the Fourth Proportional to 2,214.90, 3,365.64 and 2,214.90

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Solution

The fourth proportional to 2,214.90, 3,365.64 and 2,214.90 is: 3,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.90 : 3,365.64 = 2,214.90 : x
  2. Step 2: Convert to fraction form
    2,214.90/3,365.64 = 2,214.90/x
  3. Step 3: Cross multiply
    2,214.90x = 3,365.64 × 2,214.90
  4. Step 4: Simplify right side
    2,214.90x = 7,454,556.04
  5. Step 5: Solve for x
    x = 7,454,556.04/2,214.90
  6. Step 6: Final answer
    x = 3,365.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.