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Finding the Fourth Proportional to 23,597.86, 35,418.69 and 11,919.28

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Solution

The fourth proportional to 23,597.86, 35,418.69 and 11,919.28 is: 17,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,597.86 : 35,418.69 = 11,919.28 : x
  2. Step 2: Convert to fraction form
    23,597.86/35,418.69 = 11,919.28/x
  3. Step 3: Cross multiply
    23,597.86x = 35,418.69 × 11,919.28
  4. Step 4: Simplify right side
    23,597.86x = 422,165,283.34
  5. Step 5: Solve for x
    x = 422,165,283.34/23,597.86
  6. Step 6: Final answer
    x = 17,889.98

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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.