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Finding the Fourth Proportional to 1,891.32, 2,610.02 and 1,063.32

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Solution

The fourth proportional to 1,891.32, 2,610.02 and 1,063.32 is: 1,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.32 : 2,610.02 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    1,891.32/2,610.02 = 1,063.32/x
  3. Step 3: Cross multiply
    1,891.32x = 2,610.02 × 1,063.32
  4. Step 4: Simplify right side
    1,891.32x = 2,775,281.15
  5. Step 5: Solve for x
    x = 2,775,281.15/1,891.32
  6. Step 6: Final answer
    x = 1,467.38

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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.