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Finding the Fourth Proportional to 1,888.44, 2,608.56 and 1,451.76

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Solution

The fourth proportional to 1,888.44, 2,608.56 and 1,451.76 is: 2,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.44 : 2,608.56 = 1,451.76 : x
  2. Step 2: Convert to fraction form
    1,888.44/2,608.56 = 1,451.76/x
  3. Step 3: Cross multiply
    1,888.44x = 2,608.56 × 1,451.76
  4. Step 4: Simplify right side
    1,888.44x = 3,787,003.07
  5. Step 5: Solve for x
    x = 3,787,003.07/1,888.44
  6. Step 6: Final answer
    x = 2,005.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.