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Finding the Fourth Proportional to 6,245.40, 9,368.10 and 2,964.90

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Solution

The fourth proportional to 6,245.40, 9,368.10 and 2,964.90 is: 4,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.40 : 9,368.10 = 2,964.90 : x
  2. Step 2: Convert to fraction form
    6,245.40/9,368.10 = 2,964.90/x
  3. Step 3: Cross multiply
    6,245.40x = 9,368.10 × 2,964.90
  4. Step 4: Simplify right side
    6,245.40x = 27,775,479.69
  5. Step 5: Solve for x
    x = 27,775,479.69/6,245.40
  6. Step 6: Final answer
    x = 4,447.35

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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.