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Finding the Fourth Proportional to 7,307.39, 10,960.97 and 6,840.42

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Solution

The fourth proportional to 7,307.39, 10,960.97 and 6,840.42 is: 10,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.39 : 10,960.97 = 6,840.42 : x
  2. Step 2: Convert to fraction form
    7,307.39/10,960.97 = 6,840.42/x
  3. Step 3: Cross multiply
    7,307.39x = 10,960.97 × 6,840.42
  4. Step 4: Simplify right side
    7,307.39x = 74,977,604.21
  5. Step 5: Solve for x
    x = 74,977,604.21/7,307.39
  6. Step 6: Final answer
    x = 10,260.52

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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.