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Finding the Fourth Proportional to 12,363.93, 18,543.99 and 4,043.98

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Solution

The fourth proportional to 12,363.93, 18,543.99 and 4,043.98 is: 6,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.93 : 18,543.99 = 4,043.98 : x
  2. Step 2: Convert to fraction form
    12,363.93/18,543.99 = 4,043.98/x
  3. Step 3: Cross multiply
    12,363.93x = 18,543.99 × 4,043.98
  4. Step 4: Simplify right side
    12,363.93x = 74,991,524.68
  5. Step 5: Solve for x
    x = 74,991,524.68/12,363.93
  6. Step 6: Final answer
    x = 6,065.35

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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.