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Finding the Fourth Proportional to 1,774.73, 2,448.64 and 1,056.80

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Solution

The fourth proportional to 1,774.73, 2,448.64 and 1,056.80 is: 1,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.73 : 2,448.64 = 1,056.80 : x
  2. Step 2: Convert to fraction form
    1,774.73/2,448.64 = 1,056.80/x
  3. Step 3: Cross multiply
    1,774.73x = 2,448.64 × 1,056.80
  4. Step 4: Simplify right side
    1,774.73x = 2,587,722.75
  5. Step 5: Solve for x
    x = 2,587,722.75/1,774.73
  6. Step 6: Final answer
    x = 1,458.09

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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.