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Finding the Fourth Proportional to 33,220.16, 45,843.52 and 18,316.16

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Solution

The fourth proportional to 33,220.16, 45,843.52 and 18,316.16 is: 25,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.16 : 45,843.52 = 18,316.16 : x
  2. Step 2: Convert to fraction form
    33,220.16/45,843.52 = 18,316.16/x
  3. Step 3: Cross multiply
    33,220.16x = 45,843.52 × 18,316.16
  4. Step 4: Simplify right side
    33,220.16x = 839,677,247.28
  5. Step 5: Solve for x
    x = 839,677,247.28/33,220.16
  6. Step 6: Final answer
    x = 25,276.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.