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Finding the Fourth Proportional to 23,649.15, 35,496.81 and 19,531.11

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Solution

The fourth proportional to 23,649.15, 35,496.81 and 19,531.11 is: 29,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.15 : 35,496.81 = 19,531.11 : x
  2. Step 2: Convert to fraction form
    23,649.15/35,496.81 = 19,531.11/x
  3. Step 3: Cross multiply
    23,649.15x = 35,496.81 × 19,531.11
  4. Step 4: Simplify right side
    23,649.15x = 693,292,003.10
  5. Step 5: Solve for x
    x = 693,292,003.10/23,649.15
  6. Step 6: Final answer
    x = 29,315.73

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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.