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Finding the Fourth Proportional to 11,390.01, 17,085.02 and 3,492.56

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Solution

The fourth proportional to 11,390.01, 17,085.02 and 3,492.56 is: 5,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.01 : 17,085.02 = 3,492.56 : x
  2. Step 2: Convert to fraction form
    11,390.01/17,085.02 = 3,492.56/x
  3. Step 3: Cross multiply
    11,390.01x = 17,085.02 × 3,492.56
  4. Step 4: Simplify right side
    11,390.01x = 59,670,354.56
  5. Step 5: Solve for x
    x = 59,670,354.56/11,390.01
  6. Step 6: Final answer
    x = 5,238.83

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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.