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Finding the Fourth Proportional to 1,895.74, 2,838.53 and 1,786.56

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Solution

The fourth proportional to 1,895.74, 2,838.53 and 1,786.56 is: 2,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.74 : 2,838.53 = 1,786.56 : x
  2. Step 2: Convert to fraction form
    1,895.74/2,838.53 = 1,786.56/x
  3. Step 3: Cross multiply
    1,895.74x = 2,838.53 × 1,786.56
  4. Step 4: Simplify right side
    1,895.74x = 5,071,204.16
  5. Step 5: Solve for x
    x = 5,071,204.16/1,895.74
  6. Step 6: Final answer
    x = 2,675.05

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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.