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Finding the Fourth Proportional to 9,993.12, 14,982.48 and 6,246.24

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Solution

The fourth proportional to 9,993.12, 14,982.48 and 6,246.24 is: 9,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.12 : 14,982.48 = 6,246.24 : x
  2. Step 2: Convert to fraction form
    9,993.12/14,982.48 = 6,246.24/x
  3. Step 3: Cross multiply
    9,993.12x = 14,982.48 × 6,246.24
  4. Step 4: Simplify right side
    9,993.12x = 93,584,165.88
  5. Step 5: Solve for x
    x = 93,584,165.88/9,993.12
  6. Step 6: Final answer
    x = 9,364.86

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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.