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Finding the Fourth Proportional to 11,670.55, 17,503.16 and 3,350.50

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Solution

The fourth proportional to 11,670.55, 17,503.16 and 3,350.50 is: 5,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.55 : 17,503.16 = 3,350.50 : x
  2. Step 2: Convert to fraction form
    11,670.55/17,503.16 = 3,350.50/x
  3. Step 3: Cross multiply
    11,670.55x = 17,503.16 × 3,350.50
  4. Step 4: Simplify right side
    11,670.55x = 58,644,277.07
  5. Step 5: Solve for x
    x = 58,644,277.07/11,670.55
  6. Step 6: Final answer
    x = 5,024.98

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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.