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Finding the Fourth Proportional to 3,368.38, 5,053.38 and 1,059.88

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Solution

The fourth proportional to 3,368.38, 5,053.38 and 1,059.88 is: 1,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.38 : 5,053.38 = 1,059.88 : x
  2. Step 2: Convert to fraction form
    3,368.38/5,053.38 = 1,059.88/x
  3. Step 3: Cross multiply
    3,368.38x = 5,053.38 × 1,059.88
  4. Step 4: Simplify right side
    3,368.38x = 5,355,976.39
  5. Step 5: Solve for x
    x = 5,355,976.39/3,368.38
  6. Step 6: Final answer
    x = 1,590.07

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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.