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Finding the Fourth Proportional to 7,330.85, 10,996.12 and 1,784.22

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Solution

The fourth proportional to 7,330.85, 10,996.12 and 1,784.22 is: 2,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.85 : 10,996.12 = 1,784.22 : x
  2. Step 2: Convert to fraction form
    7,330.85/10,996.12 = 1,784.22/x
  3. Step 3: Cross multiply
    7,330.85x = 10,996.12 × 1,784.22
  4. Step 4: Simplify right side
    7,330.85x = 19,619,520.26
  5. Step 5: Solve for x
    x = 19,619,520.26/7,330.85
  6. Step 6: Final answer
    x = 2,676.30

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Double scale
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Similar ratio
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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.