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Finding the Fourth Proportional to 1,823.28, 2,516.12 and 995.28

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Solution

The fourth proportional to 1,823.28, 2,516.12 and 995.28 is: 1,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.28 : 2,516.12 = 995.28 : x
  2. Step 2: Convert to fraction form
    1,823.28/2,516.12 = 995.28/x
  3. Step 3: Cross multiply
    1,823.28x = 2,516.12 × 995.28
  4. Step 4: Simplify right side
    1,823.28x = 2,504,243.91
  5. Step 5: Solve for x
    x = 2,504,243.91/1,823.28
  6. Step 6: Final answer
    x = 1,373.48

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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.