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Finding the Fourth Proportional to 2,250.10, 3,376.86 and 790.48

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Solution

The fourth proportional to 2,250.10, 3,376.86 and 790.48 is: 1,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.10 : 3,376.86 = 790.48 : x
  2. Step 2: Convert to fraction form
    2,250.10/3,376.86 = 790.48/x
  3. Step 3: Cross multiply
    2,250.10x = 3,376.86 × 790.48
  4. Step 4: Simplify right side
    2,250.10x = 2,669,340.29
  5. Step 5: Solve for x
    x = 2,669,340.29/2,250.10
  6. Step 6: Final answer
    x = 1,186.32

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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.