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Finding the Fourth Proportional to 1,074.04, 1,484.02 and 854.92

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Solution

The fourth proportional to 1,074.04, 1,484.02 and 854.92 is: 1,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.04 : 1,484.02 = 854.92 : x
  2. Step 2: Convert to fraction form
    1,074.04/1,484.02 = 854.92/x
  3. Step 3: Cross multiply
    1,074.04x = 1,484.02 × 854.92
  4. Step 4: Simplify right side
    1,074.04x = 1,268,718.38
  5. Step 5: Solve for x
    x = 1,268,718.38/1,074.04
  6. Step 6: Final answer
    x = 1,181.26

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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.