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Finding the Fourth Proportional to 3,543.48, 5,316.12 and 1,351

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Solution

The fourth proportional to 3,543.48, 5,316.12 and 1,351 is: 2,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.48 : 5,316.12 = 1,351 : x
  2. Step 2: Convert to fraction form
    3,543.48/5,316.12 = 1,351/x
  3. Step 3: Cross multiply
    3,543.48x = 5,316.12 × 1,351
  4. Step 4: Simplify right side
    3,543.48x = 7,182,078.12
  5. Step 5: Solve for x
    x = 7,182,078.12/3,543.48
  6. Step 6: Final answer
    x = 2,026.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.