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Finding the Fourth Proportional to 19,893.29, 27,452.75 and 10,941.40

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Solution

The fourth proportional to 19,893.29, 27,452.75 and 10,941.40 is: 15,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.29 : 27,452.75 = 10,941.40 : x
  2. Step 2: Convert to fraction form
    19,893.29/27,452.75 = 10,941.40/x
  3. Step 3: Cross multiply
    19,893.29x = 27,452.75 × 10,941.40
  4. Step 4: Simplify right side
    19,893.29x = 300,371,518.85
  5. Step 5: Solve for x
    x = 300,371,518.85/19,893.29
  6. Step 6: Final answer
    x = 15,099.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.