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Finding the Fourth Proportional to 4,683.93, 7,026.80 and 1,396.95

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Solution

The fourth proportional to 4,683.93, 7,026.80 and 1,396.95 is: 2,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.93 : 7,026.80 = 1,396.95 : x
  2. Step 2: Convert to fraction form
    4,683.93/7,026.80 = 1,396.95/x
  3. Step 3: Cross multiply
    4,683.93x = 7,026.80 × 1,396.95
  4. Step 4: Simplify right side
    4,683.93x = 9,816,088.26
  5. Step 5: Solve for x
    x = 9,816,088.26/4,683.93
  6. Step 6: Final answer
    x = 2,095.69

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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.