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Finding the Fourth Proportional to 2,913.03, 4,019.36 and 1,654.00

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Solution

The fourth proportional to 2,913.03, 4,019.36 and 1,654.00 is: 2,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.03 : 4,019.36 = 1,654.00 : x
  2. Step 2: Convert to fraction form
    2,913.03/4,019.36 = 1,654.00/x
  3. Step 3: Cross multiply
    2,913.03x = 4,019.36 × 1,654.00
  4. Step 4: Simplify right side
    2,913.03x = 6,648,003.12
  5. Step 5: Solve for x
    x = 6,648,003.12/2,913.03
  6. Step 6: Final answer
    x = 2,282.16

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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.