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Finding the Fourth Proportional to 19,400.50, 26,772.70 and 10,568.50

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Solution

The fourth proportional to 19,400.50, 26,772.70 and 10,568.50 is: 14,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.50 : 26,772.70 = 10,568.50 : x
  2. Step 2: Convert to fraction form
    19,400.50/26,772.70 = 10,568.50/x
  3. Step 3: Cross multiply
    19,400.50x = 26,772.70 × 10,568.50
  4. Step 4: Simplify right side
    19,400.50x = 282,947,279.95
  5. Step 5: Solve for x
    x = 282,947,279.95/19,400.50
  6. Step 6: Final answer
    x = 14,584.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.