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Finding the Fourth Proportional to 1,887.84, 2,832.84 and 733.50

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Solution

The fourth proportional to 1,887.84, 2,832.84 and 733.50 is: 1,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.84 : 2,832.84 = 733.50 : x
  2. Step 2: Convert to fraction form
    1,887.84/2,832.84 = 733.50/x
  3. Step 3: Cross multiply
    1,887.84x = 2,832.84 × 733.50
  4. Step 4: Simplify right side
    1,887.84x = 2,077,888.14
  5. Step 5: Solve for x
    x = 2,077,888.14/1,887.84
  6. Step 6: Final answer
    x = 1,100.67

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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.