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Finding the Fourth Proportional to 4,906.00, 7,359.63 and 1,785.53

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Solution

The fourth proportional to 4,906.00, 7,359.63 and 1,785.53 is: 2,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.00 : 7,359.63 = 1,785.53 : x
  2. Step 2: Convert to fraction form
    4,906.00/7,359.63 = 1,785.53/x
  3. Step 3: Cross multiply
    4,906.00x = 7,359.63 × 1,785.53
  4. Step 4: Simplify right side
    4,906.00x = 13,140,803.36
  5. Step 5: Solve for x
    x = 13,140,803.36/4,906.00
  6. Step 6: Final answer
    x = 2,678.52

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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.