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Finding the Fourth Proportional to 4,683, 7,024.50 and 2,836.20

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Solution

The fourth proportional to 4,683, 7,024.50 and 2,836.20 is: 4,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683 : 7,024.50 = 2,836.20 : x
  2. Step 2: Convert to fraction form
    4,683/7,024.50 = 2,836.20/x
  3. Step 3: Cross multiply
    4,683x = 7,024.50 × 2,836.20
  4. Step 4: Simplify right side
    4,683x = 19,922,886.90
  5. Step 5: Solve for x
    x = 19,922,886.90/4,683
  6. Step 6: Final answer
    x = 4,254.30

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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.