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Finding the Fourth Proportional to 8,317.46, 12,474.14 and 4,983.64

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Solution

The fourth proportional to 8,317.46, 12,474.14 and 4,983.64 is: 7,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.46 : 12,474.14 = 4,983.64 : x
  2. Step 2: Convert to fraction form
    8,317.46/12,474.14 = 4,983.64/x
  3. Step 3: Cross multiply
    8,317.46x = 12,474.14 × 4,983.64
  4. Step 4: Simplify right side
    8,317.46x = 62,166,566.97
  5. Step 5: Solve for x
    x = 62,166,566.97/8,317.46
  6. Step 6: Final answer
    x = 7,474.22

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1.5x scale

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.