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Finding the Fourth Proportional to 2,904.04, 4,006.02 and 2,018.31

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Solution

The fourth proportional to 2,904.04, 4,006.02 and 2,018.31 is: 2,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.04 : 4,006.02 = 2,018.31 : x
  2. Step 2: Convert to fraction form
    2,904.04/4,006.02 = 2,018.31/x
  3. Step 3: Cross multiply
    2,904.04x = 4,006.02 × 2,018.31
  4. Step 4: Simplify right side
    2,904.04x = 8,085,390.23
  5. Step 5: Solve for x
    x = 8,085,390.23/2,904.04
  6. Step 6: Final answer
    x = 2,784.19

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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.