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Finding the Fourth Proportional to 8,466.48, 12,699.72 and 3,541.68

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Solution

The fourth proportional to 8,466.48, 12,699.72 and 3,541.68 is: 5,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.48 : 12,699.72 = 3,541.68 : x
  2. Step 2: Convert to fraction form
    8,466.48/12,699.72 = 3,541.68/x
  3. Step 3: Cross multiply
    8,466.48x = 12,699.72 × 3,541.68
  4. Step 4: Simplify right side
    8,466.48x = 44,978,344.33
  5. Step 5: Solve for x
    x = 44,978,344.33/8,466.48
  6. Step 6: Final answer
    x = 5,312.52

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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.