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Finding the Fourth Proportional to 3,003.99, 4,506.03 and 1,970.55

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Solution

The fourth proportional to 3,003.99, 4,506.03 and 1,970.55 is: 2,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.99 : 4,506.03 = 1,970.55 : x
  2. Step 2: Convert to fraction form
    3,003.99/4,506.03 = 1,970.55/x
  3. Step 3: Cross multiply
    3,003.99x = 4,506.03 × 1,970.55
  4. Step 4: Simplify right side
    3,003.99x = 8,879,357.42
  5. Step 5: Solve for x
    x = 8,879,357.42/3,003.99
  6. Step 6: Final answer
    x = 2,955.85

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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.