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Finding the Fourth Proportional to 23,989.50, 35,989.59 and 7,351.86

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Solution

The fourth proportional to 23,989.50, 35,989.59 and 7,351.86 is: 11,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.50 : 35,989.59 = 7,351.86 : x
  2. Step 2: Convert to fraction form
    23,989.50/35,989.59 = 7,351.86/x
  3. Step 3: Cross multiply
    23,989.50x = 35,989.59 × 7,351.86
  4. Step 4: Simplify right side
    23,989.50x = 264,590,427.14
  5. Step 5: Solve for x
    x = 264,590,427.14/23,989.50
  6. Step 6: Final answer
    x = 11,029.43

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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.