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Finding the Fourth Proportional to 2,469.52, 3,407.90 and 1,365.52

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Solution

The fourth proportional to 2,469.52, 3,407.90 and 1,365.52 is: 1,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.52 : 3,407.90 = 1,365.52 : x
  2. Step 2: Convert to fraction form
    2,469.52/3,407.90 = 1,365.52/x
  3. Step 3: Cross multiply
    2,469.52x = 3,407.90 × 1,365.52
  4. Step 4: Simplify right side
    2,469.52x = 4,653,555.61
  5. Step 5: Solve for x
    x = 4,653,555.61/2,469.52
  6. Step 6: Final answer
    x = 1,884.40

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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.