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Finding the Fourth Proportional to 4,674.04, 7,006.20 and 1,899.64

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Solution

The fourth proportional to 4,674.04, 7,006.20 and 1,899.64 is: 2,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.04 : 7,006.20 = 1,899.64 : x
  2. Step 2: Convert to fraction form
    4,674.04/7,006.20 = 1,899.64/x
  3. Step 3: Cross multiply
    4,674.04x = 7,006.20 × 1,899.64
  4. Step 4: Simplify right side
    4,674.04x = 13,309,257.77
  5. Step 5: Solve for x
    x = 13,309,257.77/4,674.04
  6. Step 6: Final answer
    x = 2,847.48

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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.