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Finding the Fourth Proportional to 69,571.96, 104,357.58 and 16,981.72

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Solution

The fourth proportional to 69,571.96, 104,357.58 and 16,981.72 is: 25,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571.96 : 104,357.58 = 16,981.72 : x
  2. Step 2: Convert to fraction form
    69,571.96/104,357.58 = 16,981.72/x
  3. Step 3: Cross multiply
    69,571.96x = 104,357.58 × 16,981.72
  4. Step 4: Simplify right side
    69,571.96x = 1,772,171,203.44
  5. Step 5: Solve for x
    x = 1,772,171,203.44/69,571.96
  6. Step 6: Final answer
    x = 25,472.49

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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.