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Finding the Fourth Proportional to 995.06, 1,491.19 and 848.05

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Solution

The fourth proportional to 995.06, 1,491.19 and 848.05 is: 1,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.06 : 1,491.19 = 848.05 : x
  2. Step 2: Convert to fraction form
    995.06/1,491.19 = 848.05/x
  3. Step 3: Cross multiply
    995.06x = 1,491.19 × 848.05
  4. Step 4: Simplify right side
    995.06x = 1,264,603.68
  5. Step 5: Solve for x
    x = 1,264,603.68/995.06
  6. Step 6: Final answer
    x = 1,270.88

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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.