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Finding the Fourth Proportional to 4,809.88, 6,638.04 and 2,714.41

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Solution

The fourth proportional to 4,809.88, 6,638.04 and 2,714.41 is: 3,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.88 : 6,638.04 = 2,714.41 : x
  2. Step 2: Convert to fraction form
    4,809.88/6,638.04 = 2,714.41/x
  3. Step 3: Cross multiply
    4,809.88x = 6,638.04 × 2,714.41
  4. Step 4: Simplify right side
    4,809.88x = 18,018,315.39
  5. Step 5: Solve for x
    x = 18,018,315.39/4,809.88
  6. Step 6: Final answer
    x = 3,746.11

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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.