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Finding the Fourth Proportional to 7,329.69, 10,994.74 and 3,167.10

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Solution

The fourth proportional to 7,329.69, 10,994.74 and 3,167.10 is: 4,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.69 : 10,994.74 = 3,167.10 : x
  2. Step 2: Convert to fraction form
    7,329.69/10,994.74 = 3,167.10/x
  3. Step 3: Cross multiply
    7,329.69x = 10,994.74 × 3,167.10
  4. Step 4: Simplify right side
    7,329.69x = 34,821,433.14
  5. Step 5: Solve for x
    x = 34,821,433.14/7,329.69
  6. Step 6: Final answer
    x = 4,750.74

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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.