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Finding the Fourth Proportional to 992.22, 1,368.03 and 795.42

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Solution

The fourth proportional to 992.22, 1,368.03 and 795.42 is: 1,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    992.22 : 1,368.03 = 795.42 : x
  2. Step 2: Convert to fraction form
    992.22/1,368.03 = 795.42/x
  3. Step 3: Cross multiply
    992.22x = 1,368.03 × 795.42
  4. Step 4: Simplify right side
    992.22x = 1,088,158.42
  5. Step 5: Solve for x
    x = 1,088,158.42/992.22
  6. Step 6: Final answer
    x = 1,096.69

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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.