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Finding the Fourth Proportional to 1,823.07, 2,515.83 and 995.07

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Solution

The fourth proportional to 1,823.07, 2,515.83 and 995.07 is: 1,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.07 : 2,515.83 = 995.07 : x
  2. Step 2: Convert to fraction form
    1,823.07/2,515.83 = 995.07/x
  3. Step 3: Cross multiply
    1,823.07x = 2,515.83 × 995.07
  4. Step 4: Simplify right side
    1,823.07x = 2,503,426.96
  5. Step 5: Solve for x
    x = 2,503,426.96/1,823.07
  6. Step 6: Final answer
    x = 1,373.19

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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.