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Finding the Fourth Proportional to 19,969.36, 29,954.04 and 6,118.36

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Solution

The fourth proportional to 19,969.36, 29,954.04 and 6,118.36 is: 9,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.36 : 29,954.04 = 6,118.36 : x
  2. Step 2: Convert to fraction form
    19,969.36/29,954.04 = 6,118.36/x
  3. Step 3: Cross multiply
    19,969.36x = 29,954.04 × 6,118.36
  4. Step 4: Simplify right side
    19,969.36x = 183,269,600.17
  5. Step 5: Solve for x
    x = 183,269,600.17/19,969.36
  6. Step 6: Final answer
    x = 9,177.54

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1.5x scale

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.