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Finding the Fourth Proportional to 8,315.54, 12,473.30 and 3,048.56

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Solution

The fourth proportional to 8,315.54, 12,473.30 and 3,048.56 is: 4,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.54 : 12,473.30 = 3,048.56 : x
  2. Step 2: Convert to fraction form
    8,315.54/12,473.30 = 3,048.56/x
  3. Step 3: Cross multiply
    8,315.54x = 12,473.30 × 3,048.56
  4. Step 4: Simplify right side
    8,315.54x = 38,025,541.08
  5. Step 5: Solve for x
    x = 38,025,541.08/8,315.54
  6. Step 6: Final answer
    x = 4,572.83

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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.