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Finding the Fourth Proportional to 11,648.95, 17,461.11 and 7,941.98

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Solution

The fourth proportional to 11,648.95, 17,461.11 and 7,941.98 is: 11,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.95 : 17,461.11 = 7,941.98 : x
  2. Step 2: Convert to fraction form
    11,648.95/17,461.11 = 7,941.98/x
  3. Step 3: Cross multiply
    11,648.95x = 17,461.11 × 7,941.98
  4. Step 4: Simplify right side
    11,648.95x = 138,675,786.40
  5. Step 5: Solve for x
    x = 138,675,786.40/11,648.95
  6. Step 6: Final answer
    x = 11,904.57

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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.