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Finding the Fourth Proportional to 3,651.59, 5,477.43 and 1,054.53

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Solution

The fourth proportional to 3,651.59, 5,477.43 and 1,054.53 is: 1,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.59 : 5,477.43 = 1,054.53 : x
  2. Step 2: Convert to fraction form
    3,651.59/5,477.43 = 1,054.53/x
  3. Step 3: Cross multiply
    3,651.59x = 5,477.43 × 1,054.53
  4. Step 4: Simplify right side
    3,651.59x = 5,776,114.26
  5. Step 5: Solve for x
    x = 5,776,114.26/3,651.59
  6. Step 6: Final answer
    x = 1,581.81

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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.