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Finding the Fourth Proportional to 100,480.59, 150,615.54 and 33,897.78

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Solution

The fourth proportional to 100,480.59, 150,615.54 and 33,897.78 is: 50,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,480.59 : 150,615.54 = 33,897.78 : x
  2. Step 2: Convert to fraction form
    100,480.59/150,615.54 = 33,897.78/x
  3. Step 3: Cross multiply
    100,480.59x = 150,615.54 × 33,897.78
  4. Step 4: Simplify right side
    100,480.59x = 5,105,532,439.50
  5. Step 5: Solve for x
    x = 5,105,532,439.50/100,480.59
  6. Step 6: Final answer
    x = 50,811.13

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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.