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Finding the Fourth Proportional to 7,080.08, 10,620.18 and 2,697.98

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Solution

The fourth proportional to 7,080.08, 10,620.18 and 2,697.98 is: 4,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.08 : 10,620.18 = 2,697.98 : x
  2. Step 2: Convert to fraction form
    7,080.08/10,620.18 = 2,697.98/x
  3. Step 3: Cross multiply
    7,080.08x = 10,620.18 × 2,697.98
  4. Step 4: Simplify right side
    7,080.08x = 28,652,980.14
  5. Step 5: Solve for x
    x = 28,652,980.14/7,080.08
  6. Step 6: Final answer
    x = 4,046.99

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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.