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Finding the Fourth Proportional to 2,973.70, 4,460.55 and 2,563.30

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Solution

The fourth proportional to 2,973.70, 4,460.55 and 2,563.30 is: 3,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.70 : 4,460.55 = 2,563.30 : x
  2. Step 2: Convert to fraction form
    2,973.70/4,460.55 = 2,563.30/x
  3. Step 3: Cross multiply
    2,973.70x = 4,460.55 × 2,563.30
  4. Step 4: Simplify right side
    2,973.70x = 11,433,727.82
  5. Step 5: Solve for x
    x = 11,433,727.82/2,973.70
  6. Step 6: Final answer
    x = 3,844.95

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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.