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Finding the Fourth Proportional to 8,468.37, 12,704.99 and 5,543.06

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Solution

The fourth proportional to 8,468.37, 12,704.99 and 5,543.06 is: 8,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.37 : 12,704.99 = 5,543.06 : x
  2. Step 2: Convert to fraction form
    8,468.37/12,704.99 = 5,543.06/x
  3. Step 3: Cross multiply
    8,468.37x = 12,704.99 × 5,543.06
  4. Step 4: Simplify right side
    8,468.37x = 70,424,430.63
  5. Step 5: Solve for x
    x = 70,424,430.63/8,468.37
  6. Step 6: Final answer
    x = 8,316.17

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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.