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Finding the Fourth Proportional to 10,669, 16,004.60 and 5,990.44

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Solution

The fourth proportional to 10,669, 16,004.60 and 5,990.44 is: 8,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669 : 16,004.60 = 5,990.44 : x
  2. Step 2: Convert to fraction form
    10,669/16,004.60 = 5,990.44/x
  3. Step 3: Cross multiply
    10,669x = 16,004.60 × 5,990.44
  4. Step 4: Simplify right side
    10,669x = 95,874,596.02
  5. Step 5: Solve for x
    x = 95,874,596.02/10,669
  6. Step 6: Final answer
    x = 8,986.28

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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.