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Finding the Fourth Proportional to 1,054.46, 1,454.28 and 792.02

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Solution

The fourth proportional to 1,054.46, 1,454.28 and 792.02 is: 1,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.46 : 1,454.28 = 792.02 : x
  2. Step 2: Convert to fraction form
    1,054.46/1,454.28 = 792.02/x
  3. Step 3: Cross multiply
    1,054.46x = 1,454.28 × 792.02
  4. Step 4: Simplify right side
    1,054.46x = 1,151,818.85
  5. Step 5: Solve for x
    x = 1,151,818.85/1,054.46
  6. Step 6: Final answer
    x = 1,092.33

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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.