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Finding the Fourth Proportional to 7,329.92, 10,994.72 and 1,783.29

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Solution

The fourth proportional to 7,329.92, 10,994.72 and 1,783.29 is: 2,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.92 : 10,994.72 = 1,783.29 : x
  2. Step 2: Convert to fraction form
    7,329.92/10,994.72 = 1,783.29/x
  3. Step 3: Cross multiply
    7,329.92x = 10,994.72 × 1,783.29
  4. Step 4: Simplify right side
    7,329.92x = 19,606,793.17
  5. Step 5: Solve for x
    x = 19,606,793.17/7,329.92
  6. Step 6: Final answer
    x = 2,674.90

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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.