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Finding the Fourth Proportional to 17,953.20, 26,941.02 and 6,860.85

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Solution

The fourth proportional to 17,953.20, 26,941.02 and 6,860.85 is: 10,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.20 : 26,941.02 = 6,860.85 : x
  2. Step 2: Convert to fraction form
    17,953.20/26,941.02 = 6,860.85/x
  3. Step 3: Cross multiply
    17,953.20x = 26,941.02 × 6,860.85
  4. Step 4: Simplify right side
    17,953.20x = 184,838,297.07
  5. Step 5: Solve for x
    x = 184,838,297.07/17,953.20
  6. Step 6: Final answer
    x = 10,295.56

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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.