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Finding the Fourth Proportional to 6,003.72, 9,005.24 and 1,620.84

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Solution

The fourth proportional to 6,003.72, 9,005.24 and 1,620.84 is: 2,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.72 : 9,005.24 = 1,620.84 : x
  2. Step 2: Convert to fraction form
    6,003.72/9,005.24 = 1,620.84/x
  3. Step 3: Cross multiply
    6,003.72x = 9,005.24 × 1,620.84
  4. Step 4: Simplify right side
    6,003.72x = 14,596,091.02
  5. Step 5: Solve for x
    x = 14,596,091.02/6,003.72
  6. Step 6: Final answer
    x = 2,431.17

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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.