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Finding the Fourth Proportional to 1,583.83, 2,374.94 and 925.93

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Solution

The fourth proportional to 1,583.83, 2,374.94 and 925.93 is: 1,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.83 : 2,374.94 = 925.93 : x
  2. Step 2: Convert to fraction form
    1,583.83/2,374.94 = 925.93/x
  3. Step 3: Cross multiply
    1,583.83x = 2,374.94 × 925.93
  4. Step 4: Simplify right side
    1,583.83x = 2,199,023.56
  5. Step 5: Solve for x
    x = 2,199,023.56/1,583.83
  6. Step 6: Final answer
    x = 1,388.42

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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.