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Finding the Fourth Proportional to 1,653.75, 2,477.12 and 1,036.73

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Solution

The fourth proportional to 1,653.75, 2,477.12 and 1,036.73 is: 1,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.75 : 2,477.12 = 1,036.73 : x
  2. Step 2: Convert to fraction form
    1,653.75/2,477.12 = 1,036.73/x
  3. Step 3: Cross multiply
    1,653.75x = 2,477.12 × 1,036.73
  4. Step 4: Simplify right side
    1,653.75x = 2,568,105.63
  5. Step 5: Solve for x
    x = 2,568,105.63/1,653.75
  6. Step 6: Final answer
    x = 1,552.90

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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.