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Finding the Fourth Proportional to 6,450.32, 9,667.99 and 5,282.30

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Solution

The fourth proportional to 6,450.32, 9,667.99 and 5,282.30 is: 7,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.32 : 9,667.99 = 5,282.30 : x
  2. Step 2: Convert to fraction form
    6,450.32/9,667.99 = 5,282.30/x
  3. Step 3: Cross multiply
    6,450.32x = 9,667.99 × 5,282.30
  4. Step 4: Simplify right side
    6,450.32x = 51,069,223.58
  5. Step 5: Solve for x
    x = 51,069,223.58/6,450.32
  6. Step 6: Final answer
    x = 7,917.32

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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.