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Finding the Fourth Proportional to 7,396.70, 11,080.65 and 4,466.30

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Solution

The fourth proportional to 7,396.70, 11,080.65 and 4,466.30 is: 6,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.70 : 11,080.65 = 4,466.30 : x
  2. Step 2: Convert to fraction form
    7,396.70/11,080.65 = 4,466.30/x
  3. Step 3: Cross multiply
    7,396.70x = 11,080.65 × 4,466.30
  4. Step 4: Simplify right side
    7,396.70x = 49,489,507.10
  5. Step 5: Solve for x
    x = 49,489,507.10/7,396.70
  6. Step 6: Final answer
    x = 6,690.75

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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.