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Finding the Fourth Proportional to 1,583.86, 2,373.73 and 852.58

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Solution

The fourth proportional to 1,583.86, 2,373.73 and 852.58 is: 1,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.86 : 2,373.73 = 852.58 : x
  2. Step 2: Convert to fraction form
    1,583.86/2,373.73 = 852.58/x
  3. Step 3: Cross multiply
    1,583.86x = 2,373.73 × 852.58
  4. Step 4: Simplify right side
    1,583.86x = 2,023,794.72
  5. Step 5: Solve for x
    x = 2,023,794.72/1,583.86
  6. Step 6: Final answer
    x = 1,277.76

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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.