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Finding the Fourth Proportional to 9,552.10, 13,211.85 and 8,448.10

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Solution

The fourth proportional to 9,552.10, 13,211.85 and 8,448.10 is: 11,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,552.10 : 13,211.85 = 8,448.10 : x
  2. Step 2: Convert to fraction form
    9,552.10/13,211.85 = 8,448.10/x
  3. Step 3: Cross multiply
    9,552.10x = 13,211.85 × 8,448.10
  4. Step 4: Simplify right side
    9,552.10x = 111,615,029.99
  5. Step 5: Solve for x
    x = 111,615,029.99/9,552.10
  6. Step 6: Final answer
    x = 11,684.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.