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Finding the Fourth Proportional to 4,704.60, 7,059.78 and 1,932.60

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Solution

The fourth proportional to 4,704.60, 7,059.78 and 1,932.60 is: 2,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.60 : 7,059.78 = 1,932.60 : x
  2. Step 2: Convert to fraction form
    4,704.60/7,059.78 = 1,932.60/x
  3. Step 3: Cross multiply
    4,704.60x = 7,059.78 × 1,932.60
  4. Step 4: Simplify right side
    4,704.60x = 13,643,730.83
  5. Step 5: Solve for x
    x = 13,643,730.83/4,704.60
  6. Step 6: Final answer
    x = 2,900.08

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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.