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Finding the Fourth Proportional to 18,583.98, 27,875.84 and 4,544.08

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Solution

The fourth proportional to 18,583.98, 27,875.84 and 4,544.08 is: 6,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.98 : 27,875.84 = 4,544.08 : x
  2. Step 2: Convert to fraction form
    18,583.98/27,875.84 = 4,544.08/x
  3. Step 3: Cross multiply
    18,583.98x = 27,875.84 × 4,544.08
  4. Step 4: Simplify right side
    18,583.98x = 126,670,047.03
  5. Step 5: Solve for x
    x = 126,670,047.03/18,583.98
  6. Step 6: Final answer
    x = 6,816.09

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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.