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Finding the Fourth Proportional to 2,248, 3,102.26 and 1,316.52

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Solution

The fourth proportional to 2,248, 3,102.26 and 1,316.52 is: 1,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248 : 3,102.26 = 1,316.52 : x
  2. Step 2: Convert to fraction form
    2,248/3,102.26 = 1,316.52/x
  3. Step 3: Cross multiply
    2,248x = 3,102.26 × 1,316.52
  4. Step 4: Simplify right side
    2,248x = 4,084,187.34
  5. Step 5: Solve for x
    x = 4,084,187.34/2,248
  6. Step 6: Final answer
    x = 1,816.81

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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.