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Finding the Fourth Proportional to 4,538.75, 6,808.13 and 1,802.75

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Solution

The fourth proportional to 4,538.75, 6,808.13 and 1,802.75 is: 2,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.75 : 6,808.13 = 1,802.75 : x
  2. Step 2: Convert to fraction form
    4,538.75/6,808.13 = 1,802.75/x
  3. Step 3: Cross multiply
    4,538.75x = 6,808.13 × 1,802.75
  4. Step 4: Simplify right side
    4,538.75x = 12,273,356.36
  5. Step 5: Solve for x
    x = 12,273,356.36/4,538.75
  6. Step 6: Final answer
    x = 2,704.13

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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.