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Finding the Fourth Proportional to 23,689.94, 35,523.01 and 7,889.39

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Solution

The fourth proportional to 23,689.94, 35,523.01 and 7,889.39 is: 11,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.94 : 35,523.01 = 7,889.39 : x
  2. Step 2: Convert to fraction form
    23,689.94/35,523.01 = 7,889.39/x
  3. Step 3: Cross multiply
    23,689.94x = 35,523.01 × 7,889.39
  4. Step 4: Simplify right side
    23,689.94x = 280,254,879.86
  5. Step 5: Solve for x
    x = 280,254,879.86/23,689.94
  6. Step 6: Final answer
    x = 11,830.12

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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.