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Finding the Fourth Proportional to 22,989.96, 34,495.88 and 11,894.58

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Solution

The fourth proportional to 22,989.96, 34,495.88 and 11,894.58 is: 17,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.96 : 34,495.88 = 11,894.58 : x
  2. Step 2: Convert to fraction form
    22,989.96/34,495.88 = 11,894.58/x
  3. Step 3: Cross multiply
    22,989.96x = 34,495.88 × 11,894.58
  4. Step 4: Simplify right side
    22,989.96x = 410,313,944.86
  5. Step 5: Solve for x
    x = 410,313,944.86/22,989.96
  6. Step 6: Final answer
    x = 17,847.53

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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.