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Finding the Fourth Proportional to 7,655.02, 11,481.17 and 2,107.02

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Solution

The fourth proportional to 7,655.02, 11,481.17 and 2,107.02 is: 3,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.02 : 11,481.17 = 2,107.02 : x
  2. Step 2: Convert to fraction form
    7,655.02/11,481.17 = 2,107.02/x
  3. Step 3: Cross multiply
    7,655.02x = 11,481.17 × 2,107.02
  4. Step 4: Simplify right side
    7,655.02x = 24,191,054.81
  5. Step 5: Solve for x
    x = 24,191,054.81/7,655.02
  6. Step 6: Final answer
    x = 3,160.16

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1.5x scale

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.