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Finding the Fourth Proportional to 6,266.76, 9,400.20 and 2,980.18

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Solution

The fourth proportional to 6,266.76, 9,400.20 and 2,980.18 is: 4,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.76 : 9,400.20 = 2,980.18 : x
  2. Step 2: Convert to fraction form
    6,266.76/9,400.20 = 2,980.18/x
  3. Step 3: Cross multiply
    6,266.76x = 9,400.20 × 2,980.18
  4. Step 4: Simplify right side
    6,266.76x = 28,014,288.04
  5. Step 5: Solve for x
    x = 28,014,288.04/6,266.76
  6. Step 6: Final answer
    x = 4,470.30

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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.