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Finding the Fourth Proportional to 3,410.12, 4,706.00 and 1,918.03

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Solution

The fourth proportional to 3,410.12, 4,706.00 and 1,918.03 is: 2,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.12 : 4,706.00 = 1,918.03 : x
  2. Step 2: Convert to fraction form
    3,410.12/4,706.00 = 1,918.03/x
  3. Step 3: Cross multiply
    3,410.12x = 4,706.00 × 1,918.03
  4. Step 4: Simplify right side
    3,410.12x = 9,026,227.82
  5. Step 5: Solve for x
    x = 9,026,227.82/3,410.12
  6. Step 6: Final answer
    x = 2,646.89

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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.