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Finding the Fourth Proportional to 3,543.84, 5,316 and 1,204.08

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Solution

The fourth proportional to 3,543.84, 5,316 and 1,204.08 is: 1,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.84 : 5,316 = 1,204.08 : x
  2. Step 2: Convert to fraction form
    3,543.84/5,316 = 1,204.08/x
  3. Step 3: Cross multiply
    3,543.84x = 5,316 × 1,204.08
  4. Step 4: Simplify right side
    3,543.84x = 6,400,889.28
  5. Step 5: Solve for x
    x = 6,400,889.28/3,543.84
  6. Step 6: Final answer
    x = 1,806.20

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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.