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Finding the Fourth Proportional to 849.42, 1,164.59 and 848.06

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Solution

The fourth proportional to 849.42, 1,164.59 and 848.06 is: 1,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.42 : 1,164.59 = 848.06 : x
  2. Step 2: Convert to fraction form
    849.42/1,164.59 = 848.06/x
  3. Step 3: Cross multiply
    849.42x = 1,164.59 × 848.06
  4. Step 4: Simplify right side
    849.42x = 987,632.13
  5. Step 5: Solve for x
    x = 987,632.13/849.42
  6. Step 6: Final answer
    x = 1,162.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.