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Finding the Fourth Proportional to 3,300.66, 4,554.90 and 1,973.88

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Solution

The fourth proportional to 3,300.66, 4,554.90 and 1,973.88 is: 2,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.66 : 4,554.90 = 1,973.88 : x
  2. Step 2: Convert to fraction form
    3,300.66/4,554.90 = 1,973.88/x
  3. Step 3: Cross multiply
    3,300.66x = 4,554.90 × 1,973.88
  4. Step 4: Simplify right side
    3,300.66x = 8,990,826.01
  5. Step 5: Solve for x
    x = 8,990,826.01/3,300.66
  6. Step 6: Final answer
    x = 2,723.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.