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Finding the Fourth Proportional to 19,560.97, 26,993.95 and 10,608.67

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Solution

The fourth proportional to 19,560.97, 26,993.95 and 10,608.67 is: 14,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.97 : 26,993.95 = 10,608.67 : x
  2. Step 2: Convert to fraction form
    19,560.97/26,993.95 = 10,608.67/x
  3. Step 3: Cross multiply
    19,560.97x = 26,993.95 × 10,608.67
  4. Step 4: Simplify right side
    19,560.97x = 286,369,907.55
  5. Step 5: Solve for x
    x = 286,369,907.55/19,560.97
  6. Step 6: Final answer
    x = 14,639.86

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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.