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Finding the Fourth Proportional to 1,808.13, 2,494.98 and 1,022.01

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Solution

The fourth proportional to 1,808.13, 2,494.98 and 1,022.01 is: 1,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.13 : 2,494.98 = 1,022.01 : x
  2. Step 2: Convert to fraction form
    1,808.13/2,494.98 = 1,022.01/x
  3. Step 3: Cross multiply
    1,808.13x = 2,494.98 × 1,022.01
  4. Step 4: Simplify right side
    1,808.13x = 2,549,894.51
  5. Step 5: Solve for x
    x = 2,549,894.51/1,808.13
  6. Step 6: Final answer
    x = 1,410.24

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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.