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Finding the Fourth Proportional to 7,289.02, 10,932.99 and 2,907.46

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Solution

The fourth proportional to 7,289.02, 10,932.99 and 2,907.46 is: 4,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.02 : 10,932.99 = 2,907.46 : x
  2. Step 2: Convert to fraction form
    7,289.02/10,932.99 = 2,907.46/x
  3. Step 3: Cross multiply
    7,289.02x = 10,932.99 × 2,907.46
  4. Step 4: Simplify right side
    7,289.02x = 31,787,231.11
  5. Step 5: Solve for x
    x = 31,787,231.11/7,289.02
  6. Step 6: Final answer
    x = 4,360.97

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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.