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Finding the Fourth Proportional to 33,316.80, 49,975.20 and 29,220.80

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Solution

The fourth proportional to 33,316.80, 49,975.20 and 29,220.80 is: 43,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.80 : 49,975.20 = 29,220.80 : x
  2. Step 2: Convert to fraction form
    33,316.80/49,975.20 = 29,220.80/x
  3. Step 3: Cross multiply
    33,316.80x = 49,975.20 × 29,220.80
  4. Step 4: Simplify right side
    33,316.80x = 1,460,315,324.16
  5. Step 5: Solve for x
    x = 1,460,315,324.16/33,316.80
  6. Step 6: Final answer
    x = 43,831.20

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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.