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Finding the Fourth Proportional to 8,450.16, 12,630.90 and 5,968.32

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Solution

The fourth proportional to 8,450.16, 12,630.90 and 5,968.32 is: 8,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.16 : 12,630.90 = 5,968.32 : x
  2. Step 2: Convert to fraction form
    8,450.16/12,630.90 = 5,968.32/x
  3. Step 3: Cross multiply
    8,450.16x = 12,630.90 × 5,968.32
  4. Step 4: Simplify right side
    8,450.16x = 75,385,253.09
  5. Step 5: Solve for x
    x = 75,385,253.09/8,450.16
  6. Step 6: Final answer
    x = 8,921.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.