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Finding the Fourth Proportional to 6,252.60, 9,378.90 and 1,635.60

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Solution

The fourth proportional to 6,252.60, 9,378.90 and 1,635.60 is: 2,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.60 : 9,378.90 = 1,635.60 : x
  2. Step 2: Convert to fraction form
    6,252.60/9,378.90 = 1,635.60/x
  3. Step 3: Cross multiply
    6,252.60x = 9,378.90 × 1,635.60
  4. Step 4: Simplify right side
    6,252.60x = 15,340,128.84
  5. Step 5: Solve for x
    x = 15,340,128.84/6,252.60
  6. Step 6: Final answer
    x = 2,453.40

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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.