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Finding the Fourth Proportional to 1,054.26, 1,454.22 and 675.99

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Solution

The fourth proportional to 1,054.26, 1,454.22 and 675.99 is: 932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.26 : 1,454.22 = 675.99 : x
  2. Step 2: Convert to fraction form
    1,054.26/1,454.22 = 675.99/x
  3. Step 3: Cross multiply
    1,054.26x = 1,454.22 × 675.99
  4. Step 4: Simplify right side
    1,054.26x = 983,038.18
  5. Step 5: Solve for x
    x = 983,038.18/1,054.26
  6. Step 6: Final answer
    x = 932.44

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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.