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Finding the Fourth Proportional to 11,393.98, 17,090.07 and 3,602.86

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Solution

The fourth proportional to 11,393.98, 17,090.07 and 3,602.86 is: 5,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.98 : 17,090.07 = 3,602.86 : x
  2. Step 2: Convert to fraction form
    11,393.98/17,090.07 = 3,602.86/x
  3. Step 3: Cross multiply
    11,393.98x = 17,090.07 × 3,602.86
  4. Step 4: Simplify right side
    11,393.98x = 61,573,129.60
  5. Step 5: Solve for x
    x = 61,573,129.60/11,393.98
  6. Step 6: Final answer
    x = 5,404.01

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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.