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Finding the Fourth Proportional to 4,686.60, 7,029.90 and 3,034.20

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Solution

The fourth proportional to 4,686.60, 7,029.90 and 3,034.20 is: 4,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.60 : 7,029.90 = 3,034.20 : x
  2. Step 2: Convert to fraction form
    4,686.60/7,029.90 = 3,034.20/x
  3. Step 3: Cross multiply
    4,686.60x = 7,029.90 × 3,034.20
  4. Step 4: Simplify right side
    4,686.60x = 21,330,122.58
  5. Step 5: Solve for x
    x = 21,330,122.58/4,686.60
  6. Step 6: Final answer
    x = 4,551.30

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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.