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Finding the Fourth Proportional to 1,410.58, 1,955.74 and 1,326.79

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Solution

The fourth proportional to 1,410.58, 1,955.74 and 1,326.79 is: 1,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.58 : 1,955.74 = 1,326.79 : x
  2. Step 2: Convert to fraction form
    1,410.58/1,955.74 = 1,326.79/x
  3. Step 3: Cross multiply
    1,410.58x = 1,955.74 × 1,326.79
  4. Step 4: Simplify right side
    1,410.58x = 2,594,856.27
  5. Step 5: Solve for x
    x = 2,594,856.27/1,410.58
  6. Step 6: Final answer
    x = 1,839.57

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.