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Finding the Fourth Proportional to 1,653.93, 2,480.22 and 1,036.71

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Solution

The fourth proportional to 1,653.93, 2,480.22 and 1,036.71 is: 1,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.93 : 2,480.22 = 1,036.71 : x
  2. Step 2: Convert to fraction form
    1,653.93/2,480.22 = 1,036.71/x
  3. Step 3: Cross multiply
    1,653.93x = 2,480.22 × 1,036.71
  4. Step 4: Simplify right side
    1,653.93x = 2,571,268.88
  5. Step 5: Solve for x
    x = 2,571,268.88/1,653.93
  6. Step 6: Final answer
    x = 1,554.64

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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.