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Finding the Fourth Proportional to 33,223.80, 49,835.70 and 30,228.60

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Solution

The fourth proportional to 33,223.80, 49,835.70 and 30,228.60 is: 45,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,223.80 : 49,835.70 = 30,228.60 : x
  2. Step 2: Convert to fraction form
    33,223.80/49,835.70 = 30,228.60/x
  3. Step 3: Cross multiply
    33,223.80x = 49,835.70 × 30,228.60
  4. Step 4: Simplify right side
    33,223.80x = 1,506,463,441.02
  5. Step 5: Solve for x
    x = 1,506,463,441.02/33,223.80
  6. Step 6: Final answer
    x = 45,342.90

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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.