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Finding the Fourth Proportional to 18,521.89, 27,783.73 and 6,041.89

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Solution

The fourth proportional to 18,521.89, 27,783.73 and 6,041.89 is: 9,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.89 : 27,783.73 = 6,041.89 : x
  2. Step 2: Convert to fraction form
    18,521.89/27,783.73 = 6,041.89/x
  3. Step 3: Cross multiply
    18,521.89x = 27,783.73 × 6,041.89
  4. Step 4: Simplify right side
    18,521.89x = 167,866,240.45
  5. Step 5: Solve for x
    x = 167,866,240.45/18,521.89
  6. Step 6: Final answer
    x = 9,063.13

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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.