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Finding the Fourth Proportional to 1,518.50, 2,095.94 and 995.24

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Solution

The fourth proportional to 1,518.50, 2,095.94 and 995.24 is: 1,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.50 : 2,095.94 = 995.24 : x
  2. Step 2: Convert to fraction form
    1,518.50/2,095.94 = 995.24/x
  3. Step 3: Cross multiply
    1,518.50x = 2,095.94 × 995.24
  4. Step 4: Simplify right side
    1,518.50x = 2,085,963.33
  5. Step 5: Solve for x
    x = 2,085,963.33/1,518.50
  6. Step 6: Final answer
    x = 1,373.70

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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.