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Finding the Fourth Proportional to 2,842.53, 4,263.94 and 894.75

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Solution

The fourth proportional to 2,842.53, 4,263.94 and 894.75 is: 1,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.53 : 4,263.94 = 894.75 : x
  2. Step 2: Convert to fraction form
    2,842.53/4,263.94 = 894.75/x
  3. Step 3: Cross multiply
    2,842.53x = 4,263.94 × 894.75
  4. Step 4: Simplify right side
    2,842.53x = 3,815,158.08
  5. Step 5: Solve for x
    x = 3,815,158.08/2,842.53
  6. Step 6: Final answer
    x = 1,342.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.