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Finding the Fourth Proportional to 3,093.04, 4,639.44 and 784.52

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Solution

The fourth proportional to 3,093.04, 4,639.44 and 784.52 is: 1,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.04 : 4,639.44 = 784.52 : x
  2. Step 2: Convert to fraction form
    3,093.04/4,639.44 = 784.52/x
  3. Step 3: Cross multiply
    3,093.04x = 4,639.44 × 784.52
  4. Step 4: Simplify right side
    3,093.04x = 3,639,733.47
  5. Step 5: Solve for x
    x = 3,639,733.47/3,093.04
  6. Step 6: Final answer
    x = 1,176.75

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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.