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Finding the Fourth Proportional to 33,868.40, 50,802.60 and 10,497.20

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Solution

The fourth proportional to 33,868.40, 50,802.60 and 10,497.20 is: 15,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868.40 : 50,802.60 = 10,497.20 : x
  2. Step 2: Convert to fraction form
    33,868.40/50,802.60 = 10,497.20/x
  3. Step 3: Cross multiply
    33,868.40x = 50,802.60 × 10,497.20
  4. Step 4: Simplify right side
    33,868.40x = 533,285,052.72
  5. Step 5: Solve for x
    x = 533,285,052.72/33,868.40
  6. Step 6: Final answer
    x = 15,745.80

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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.