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Finding the Fourth Proportional to 23,809.44, 35,706.78 and 19,118.40

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Solution

The fourth proportional to 23,809.44, 35,706.78 and 19,118.40 is: 28,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.44 : 35,706.78 = 19,118.40 : x
  2. Step 2: Convert to fraction form
    23,809.44/35,706.78 = 19,118.40/x
  3. Step 3: Cross multiply
    23,809.44x = 35,706.78 × 19,118.40
  4. Step 4: Simplify right side
    23,809.44x = 682,656,502.75
  5. Step 5: Solve for x
    x = 682,656,502.75/23,809.44
  6. Step 6: Final answer
    x = 28,671.67

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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.