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Finding the Fourth Proportional to 11,393.76, 17,090.90 and 4,468.26

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Solution

The fourth proportional to 11,393.76, 17,090.90 and 4,468.26 is: 6,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.76 : 17,090.90 = 4,468.26 : x
  2. Step 2: Convert to fraction form
    11,393.76/17,090.90 = 4,468.26/x
  3. Step 3: Cross multiply
    11,393.76x = 17,090.90 × 4,468.26
  4. Step 4: Simplify right side
    11,393.76x = 76,366,584.83
  5. Step 5: Solve for x
    x = 76,366,584.83/11,393.76
  6. Step 6: Final answer
    x = 6,702.49

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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.