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Finding the Fourth Proportional to 8,568.48, 12,849.48 and 4,670.76

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Solution

The fourth proportional to 8,568.48, 12,849.48 and 4,670.76 is: 7,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.48 : 12,849.48 = 4,670.76 : x
  2. Step 2: Convert to fraction form
    8,568.48/12,849.48 = 4,670.76/x
  3. Step 3: Cross multiply
    8,568.48x = 12,849.48 × 4,670.76
  4. Step 4: Simplify right side
    8,568.48x = 60,016,837.20
  5. Step 5: Solve for x
    x = 60,016,837.20/8,568.48
  6. Step 6: Final answer
    x = 7,004.37

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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.