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Finding the Fourth Proportional to 1,067.58, 1,601.37 and 973.62

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Solution

The fourth proportional to 1,067.58, 1,601.37 and 973.62 is: 1,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.58 : 1,601.37 = 973.62 : x
  2. Step 2: Convert to fraction form
    1,067.58/1,601.37 = 973.62/x
  3. Step 3: Cross multiply
    1,067.58x = 1,601.37 × 973.62
  4. Step 4: Simplify right side
    1,067.58x = 1,559,125.86
  5. Step 5: Solve for x
    x = 1,559,125.86/1,067.58
  6. Step 6: Final answer
    x = 1,460.43

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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.