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Finding the Fourth Proportional to 7,372.64, 11,053.28 and 3,473.30

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Solution

The fourth proportional to 7,372.64, 11,053.28 and 3,473.30 is: 5,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.64 : 11,053.28 = 3,473.30 : x
  2. Step 2: Convert to fraction form
    7,372.64/11,053.28 = 3,473.30/x
  3. Step 3: Cross multiply
    7,372.64x = 11,053.28 × 3,473.30
  4. Step 4: Simplify right side
    7,372.64x = 38,391,357.42
  5. Step 5: Solve for x
    x = 38,391,357.42/7,372.64
  6. Step 6: Final answer
    x = 5,207.27

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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.