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Finding the Fourth Proportional to 1,773.90, 2,447.24 and 1,055.93

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Solution

The fourth proportional to 1,773.90, 2,447.24 and 1,055.93 is: 1,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.90 : 2,447.24 = 1,055.93 : x
  2. Step 2: Convert to fraction form
    1,773.90/2,447.24 = 1,055.93/x
  3. Step 3: Cross multiply
    1,773.90x = 2,447.24 × 1,055.93
  4. Step 4: Simplify right side
    1,773.90x = 2,584,114.13
  5. Step 5: Solve for x
    x = 2,584,114.13/1,773.90
  6. Step 6: Final answer
    x = 1,456.75

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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.