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Finding the Fourth Proportional to 7,393.32, 11,089.96 and 3,009.74

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Solution

The fourth proportional to 7,393.32, 11,089.96 and 3,009.74 is: 4,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.32 : 11,089.96 = 3,009.74 : x
  2. Step 2: Convert to fraction form
    7,393.32/11,089.96 = 3,009.74/x
  3. Step 3: Cross multiply
    7,393.32x = 11,089.96 × 3,009.74
  4. Step 4: Simplify right side
    7,393.32x = 33,377,896.21
  5. Step 5: Solve for x
    x = 33,377,896.21/7,393.32
  6. Step 6: Final answer
    x = 4,514.60

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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.