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Finding the Fourth Proportional to 36,665.34, 54,954.06 and 18,904.47

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Solution

The fourth proportional to 36,665.34, 54,954.06 and 18,904.47 is: 28,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,665.34 : 54,954.06 = 18,904.47 : x
  2. Step 2: Convert to fraction form
    36,665.34/54,954.06 = 18,904.47/x
  3. Step 3: Cross multiply
    36,665.34x = 54,954.06 × 18,904.47
  4. Step 4: Simplify right side
    36,665.34x = 1,038,877,378.65
  5. Step 5: Solve for x
    x = 1,038,877,378.65/36,665.34
  6. Step 6: Final answer
    x = 28,334.04

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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.