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Finding the Fourth Proportional to 19,052.70, 28,579.05 and 5,906.40

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Solution

The fourth proportional to 19,052.70, 28,579.05 and 5,906.40 is: 8,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.70 : 28,579.05 = 5,906.40 : x
  2. Step 2: Convert to fraction form
    19,052.70/28,579.05 = 5,906.40/x
  3. Step 3: Cross multiply
    19,052.70x = 28,579.05 × 5,906.40
  4. Step 4: Simplify right side
    19,052.70x = 168,799,300.92
  5. Step 5: Solve for x
    x = 168,799,300.92/19,052.70
  6. Step 6: Final answer
    x = 8,859.60

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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.