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Finding the Fourth Proportional to 7,340.70, 10,996.65 and 4,410.30

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Solution

The fourth proportional to 7,340.70, 10,996.65 and 4,410.30 is: 6,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.70 : 10,996.65 = 4,410.30 : x
  2. Step 2: Convert to fraction form
    7,340.70/10,996.65 = 4,410.30/x
  3. Step 3: Cross multiply
    7,340.70x = 10,996.65 × 4,410.30
  4. Step 4: Simplify right side
    7,340.70x = 48,498,525.50
  5. Step 5: Solve for x
    x = 48,498,525.50/7,340.70
  6. Step 6: Final answer
    x = 6,606.80

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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.