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Finding the Fourth Proportional to 7,655.01, 11,481.18 and 2,107.02

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Solution

The fourth proportional to 7,655.01, 11,481.18 and 2,107.02 is: 3,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.01 : 11,481.18 = 2,107.02 : x
  2. Step 2: Convert to fraction form
    7,655.01/11,481.18 = 2,107.02/x
  3. Step 3: Cross multiply
    7,655.01x = 11,481.18 × 2,107.02
  4. Step 4: Simplify right side
    7,655.01x = 24,191,075.88
  5. Step 5: Solve for x
    x = 24,191,075.88/7,655.01
  6. Step 6: Final answer
    x = 3,160.16

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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.