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Finding the Fourth Proportional to 1,085.13, 1,497.96 and 848.52

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Solution

The fourth proportional to 1,085.13, 1,497.96 and 848.52 is: 1,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.13 : 1,497.96 = 848.52 : x
  2. Step 2: Convert to fraction form
    1,085.13/1,497.96 = 848.52/x
  3. Step 3: Cross multiply
    1,085.13x = 1,497.96 × 848.52
  4. Step 4: Simplify right side
    1,085.13x = 1,271,049.02
  5. Step 5: Solve for x
    x = 1,271,049.02/1,085.13
  6. Step 6: Final answer
    x = 1,171.33

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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.