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Finding the Fourth Proportional to 6,658.28, 9,980.36 and 2,495.52

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Solution

The fourth proportional to 6,658.28, 9,980.36 and 2,495.52 is: 3,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.28 : 9,980.36 = 2,495.52 : x
  2. Step 2: Convert to fraction form
    6,658.28/9,980.36 = 2,495.52/x
  3. Step 3: Cross multiply
    6,658.28x = 9,980.36 × 2,495.52
  4. Step 4: Simplify right side
    6,658.28x = 24,906,187.99
  5. Step 5: Solve for x
    x = 24,906,187.99/6,658.28
  6. Step 6: Final answer
    x = 3,740.63

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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.