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Finding the Fourth Proportional to 1,797.48, 2,482.02 and 1,209.96

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Solution

The fourth proportional to 1,797.48, 2,482.02 and 1,209.96 is: 1,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.48 : 2,482.02 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    1,797.48/2,482.02 = 1,209.96/x
  3. Step 3: Cross multiply
    1,797.48x = 2,482.02 × 1,209.96
  4. Step 4: Simplify right side
    1,797.48x = 3,003,144.92
  5. Step 5: Solve for x
    x = 3,003,144.92/1,797.48
  6. Step 6: Final answer
    x = 1,670.75

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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.