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Finding the Fourth Proportional to 8,543.50, 12,822.54 and 3,353.02

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Solution

The fourth proportional to 8,543.50, 12,822.54 and 3,353.02 is: 5,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.50 : 12,822.54 = 3,353.02 : x
  2. Step 2: Convert to fraction form
    8,543.50/12,822.54 = 3,353.02/x
  3. Step 3: Cross multiply
    8,543.50x = 12,822.54 × 3,353.02
  4. Step 4: Simplify right side
    8,543.50x = 42,994,233.07
  5. Step 5: Solve for x
    x = 42,994,233.07/8,543.50
  6. Step 6: Final answer
    x = 5,032.39

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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.