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Finding the Fourth Proportional to 18,557.25, 27,837.50 and 4,706.25

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Solution

The fourth proportional to 18,557.25, 27,837.50 and 4,706.25 is: 7,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.25 : 27,837.50 = 4,706.25 : x
  2. Step 2: Convert to fraction form
    18,557.25/27,837.50 = 4,706.25/x
  3. Step 3: Cross multiply
    18,557.25x = 27,837.50 × 4,706.25
  4. Step 4: Simplify right side
    18,557.25x = 131,010,210.84
  5. Step 5: Solve for x
    x = 131,010,210.84/18,557.25
  6. Step 6: Final answer
    x = 7,059.79

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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.