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Finding the Fourth Proportional to 1,582.97, 2,375.01 and 608.81

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Solution

The fourth proportional to 1,582.97, 2,375.01 and 608.81 is: 913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.97 : 2,375.01 = 608.81 : x
  2. Step 2: Convert to fraction form
    1,582.97/2,375.01 = 608.81/x
  3. Step 3: Cross multiply
    1,582.97x = 2,375.01 × 608.81
  4. Step 4: Simplify right side
    1,582.97x = 1,445,917.96
  5. Step 5: Solve for x
    x = 1,445,917.96/1,582.97
  6. Step 6: Final answer
    x = 913.42

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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.