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Finding the Fourth Proportional to 1,556.55, 2,252.13 and 1,556.55

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Solution

The fourth proportional to 1,556.55, 2,252.13 and 1,556.55 is: 2,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.55 : 2,252.13 = 1,556.55 : x
  2. Step 2: Convert to fraction form
    1,556.55/2,252.13 = 1,556.55/x
  3. Step 3: Cross multiply
    1,556.55x = 2,252.13 × 1,556.55
  4. Step 4: Simplify right side
    1,556.55x = 3,505,552.95
  5. Step 5: Solve for x
    x = 3,505,552.95/1,556.55
  6. Step 6: Final answer
    x = 2,252.13

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.