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Finding the Fourth Proportional to 29,987.33, 41,383.02 and 19,395.41

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Solution

The fourth proportional to 29,987.33, 41,383.02 and 19,395.41 is: 26,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.33 : 41,383.02 = 19,395.41 : x
  2. Step 2: Convert to fraction form
    29,987.33/41,383.02 = 19,395.41/x
  3. Step 3: Cross multiply
    29,987.33x = 41,383.02 × 19,395.41
  4. Step 4: Simplify right side
    29,987.33x = 802,640,433.02
  5. Step 5: Solve for x
    x = 802,640,433.02/29,987.33
  6. Step 6: Final answer
    x = 26,765.99

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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.