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Finding the Fourth Proportional to 3,448.58, 5,169.93 and 1,368.10

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Solution

The fourth proportional to 3,448.58, 5,169.93 and 1,368.10 is: 2,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.58 : 5,169.93 = 1,368.10 : x
  2. Step 2: Convert to fraction form
    3,448.58/5,169.93 = 1,368.10/x
  3. Step 3: Cross multiply
    3,448.58x = 5,169.93 × 1,368.10
  4. Step 4: Simplify right side
    3,448.58x = 7,072,981.23
  5. Step 5: Solve for x
    x = 7,072,981.23/3,448.58
  6. Step 6: Final answer
    x = 2,050.98

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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.