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Finding the Fourth Proportional to 4,874.58, 7,302.15 and 3,021.30

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Solution

The fourth proportional to 4,874.58, 7,302.15 and 3,021.30 is: 4,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.58 : 7,302.15 = 3,021.30 : x
  2. Step 2: Convert to fraction form
    4,874.58/7,302.15 = 3,021.30/x
  3. Step 3: Cross multiply
    4,874.58x = 7,302.15 × 3,021.30
  4. Step 4: Simplify right side
    4,874.58x = 22,061,985.80
  5. Step 5: Solve for x
    x = 22,061,985.80/4,874.58
  6. Step 6: Final answer
    x = 4,525.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.