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Finding the Fourth Proportional to 8,224.36, 12,330.78 and 4,059.28

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Solution

The fourth proportional to 8,224.36, 12,330.78 and 4,059.28 is: 6,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.36 : 12,330.78 = 4,059.28 : x
  2. Step 2: Convert to fraction form
    8,224.36/12,330.78 = 4,059.28/x
  3. Step 3: Cross multiply
    8,224.36x = 12,330.78 × 4,059.28
  4. Step 4: Simplify right side
    8,224.36x = 50,054,088.64
  5. Step 5: Solve for x
    x = 50,054,088.64/8,224.36
  6. Step 6: Final answer
    x = 6,086.08

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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.