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Finding the Fourth Proportional to 2,563.98, 3,539.07 and 1,501.99

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Solution

The fourth proportional to 2,563.98, 3,539.07 and 1,501.99 is: 2,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.98 : 3,539.07 = 1,501.99 : x
  2. Step 2: Convert to fraction form
    2,563.98/3,539.07 = 1,501.99/x
  3. Step 3: Cross multiply
    2,563.98x = 3,539.07 × 1,501.99
  4. Step 4: Simplify right side
    2,563.98x = 5,315,638.90
  5. Step 5: Solve for x
    x = 5,315,638.90/2,563.98
  6. Step 6: Final answer
    x = 2,073.20

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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.