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Finding the Fourth Proportional to 11,393.55, 17,090.19 and 3,602.34

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Solution

The fourth proportional to 11,393.55, 17,090.19 and 3,602.34 is: 5,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.55 : 17,090.19 = 3,602.34 : x
  2. Step 2: Convert to fraction form
    11,393.55/17,090.19 = 3,602.34/x
  3. Step 3: Cross multiply
    11,393.55x = 17,090.19 × 3,602.34
  4. Step 4: Simplify right side
    11,393.55x = 61,564,675.04
  5. Step 5: Solve for x
    x = 61,564,675.04/11,393.55
  6. Step 6: Final answer
    x = 5,403.47

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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.