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Finding the Fourth Proportional to 1,055.56, 1,582.26 and 593.56

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Solution

The fourth proportional to 1,055.56, 1,582.26 and 593.56 is: 889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.56 : 1,582.26 = 593.56 : x
  2. Step 2: Convert to fraction form
    1,055.56/1,582.26 = 593.56/x
  3. Step 3: Cross multiply
    1,055.56x = 1,582.26 × 593.56
  4. Step 4: Simplify right side
    1,055.56x = 939,166.25
  5. Step 5: Solve for x
    x = 939,166.25/1,055.56
  6. Step 6: Final answer
    x = 889.73

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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.