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Finding the Fourth Proportional to 8,305.32, 12,462.54 and 3,373.64

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Solution

The fourth proportional to 8,305.32, 12,462.54 and 3,373.64 is: 5,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.32 : 12,462.54 = 3,373.64 : x
  2. Step 2: Convert to fraction form
    8,305.32/12,462.54 = 3,373.64/x
  3. Step 3: Cross multiply
    8,305.32x = 12,462.54 × 3,373.64
  4. Step 4: Simplify right side
    8,305.32x = 42,044,048.48
  5. Step 5: Solve for x
    x = 42,044,048.48/8,305.32
  6. Step 6: Final answer
    x = 5,062.30

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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.