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Finding the Fourth Proportional to 8,473.16, 12,708.18 and 3,541.48

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Solution

The fourth proportional to 8,473.16, 12,708.18 and 3,541.48 is: 5,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.16 : 12,708.18 = 3,541.48 : x
  2. Step 2: Convert to fraction form
    8,473.16/12,708.18 = 3,541.48/x
  3. Step 3: Cross multiply
    8,473.16x = 12,708.18 × 3,541.48
  4. Step 4: Simplify right side
    8,473.16x = 45,005,765.31
  5. Step 5: Solve for x
    x = 45,005,765.31/8,473.16
  6. Step 6: Final answer
    x = 5,311.57

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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.