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Finding the Fourth Proportional to 1,653.76, 2,477.90 and 1,164.44

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Solution

The fourth proportional to 1,653.76, 2,477.90 and 1,164.44 is: 1,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.76 : 2,477.90 = 1,164.44 : x
  2. Step 2: Convert to fraction form
    1,653.76/2,477.90 = 1,164.44/x
  3. Step 3: Cross multiply
    1,653.76x = 2,477.90 × 1,164.44
  4. Step 4: Simplify right side
    1,653.76x = 2,885,365.88
  5. Step 5: Solve for x
    x = 2,885,365.88/1,653.76
  6. Step 6: Final answer
    x = 1,744.73

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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.