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Finding the Fourth Proportional to 2,051.01, 2,830.38 and 1,119.51

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Solution

The fourth proportional to 2,051.01, 2,830.38 and 1,119.51 is: 1,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.01 : 2,830.38 = 1,119.51 : x
  2. Step 2: Convert to fraction form
    2,051.01/2,830.38 = 1,119.51/x
  3. Step 3: Cross multiply
    2,051.01x = 2,830.38 × 1,119.51
  4. Step 4: Simplify right side
    2,051.01x = 3,168,638.71
  5. Step 5: Solve for x
    x = 3,168,638.71/2,051.01
  6. Step 6: Final answer
    x = 1,544.92

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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.