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Finding the Fourth Proportional to 6,690.60, 10,037.64 and 2,993.64

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Solution

The fourth proportional to 6,690.60, 10,037.64 and 2,993.64 is: 4,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.60 : 10,037.64 = 2,993.64 : x
  2. Step 2: Convert to fraction form
    6,690.60/10,037.64 = 2,993.64/x
  3. Step 3: Cross multiply
    6,690.60x = 10,037.64 × 2,993.64
  4. Step 4: Simplify right side
    6,690.60x = 30,049,080.61
  5. Step 5: Solve for x
    x = 30,049,080.61/6,690.60
  6. Step 6: Final answer
    x = 4,491.24

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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.