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Finding the Fourth Proportional to 1,418.00, 1,956.15 and 914.04

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Solution

The fourth proportional to 1,418.00, 1,956.15 and 914.04 is: 1,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.00 : 1,956.15 = 914.04 : x
  2. Step 2: Convert to fraction form
    1,418.00/1,956.15 = 914.04/x
  3. Step 3: Cross multiply
    1,418.00x = 1,956.15 × 914.04
  4. Step 4: Simplify right side
    1,418.00x = 1,787,999.35
  5. Step 5: Solve for x
    x = 1,787,999.35/1,418.00
  6. Step 6: Final answer
    x = 1,260.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.