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Finding the Fourth Proportional to 67,328.80, 100,837.28 and 33,533.26

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Solution

The fourth proportional to 67,328.80, 100,837.28 and 33,533.26 is: 50,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.80 : 100,837.28 = 33,533.26 : x
  2. Step 2: Convert to fraction form
    67,328.80/100,837.28 = 33,533.26/x
  3. Step 3: Cross multiply
    67,328.80x = 100,837.28 × 33,533.26
  4. Step 4: Simplify right side
    67,328.80x = 3,381,402,560.27
  5. Step 5: Solve for x
    x = 3,381,402,560.27/67,328.80
  6. Step 6: Final answer
    x = 50,222.23

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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.