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Finding the Fourth Proportional to 1,894.84, 2,615.62 and 1,833.32

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Solution

The fourth proportional to 1,894.84, 2,615.62 and 1,833.32 is: 2,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.84 : 2,615.62 = 1,833.32 : x
  2. Step 2: Convert to fraction form
    1,894.84/2,615.62 = 1,833.32/x
  3. Step 3: Cross multiply
    1,894.84x = 2,615.62 × 1,833.32
  4. Step 4: Simplify right side
    1,894.84x = 4,795,268.46
  5. Step 5: Solve for x
    x = 4,795,268.46/1,894.84
  6. Step 6: Final answer
    x = 2,530.70

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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.