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Finding the Fourth Proportional to 2,836.23, 4,255.02 and 888.59

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Solution

The fourth proportional to 2,836.23, 4,255.02 and 888.59 is: 1,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.23 : 4,255.02 = 888.59 : x
  2. Step 2: Convert to fraction form
    2,836.23/4,255.02 = 888.59/x
  3. Step 3: Cross multiply
    2,836.23x = 4,255.02 × 888.59
  4. Step 4: Simplify right side
    2,836.23x = 3,780,968.22
  5. Step 5: Solve for x
    x = 3,780,968.22/2,836.23
  6. Step 6: Final answer
    x = 1,333.10

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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.