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Finding the Fourth Proportional to 40,369.49, 60,554.27 and 19,304.57

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Solution

The fourth proportional to 40,369.49, 60,554.27 and 19,304.57 is: 28,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.49 : 60,554.27 = 19,304.57 : x
  2. Step 2: Convert to fraction form
    40,369.49/60,554.27 = 19,304.57/x
  3. Step 3: Cross multiply
    40,369.49x = 60,554.27 × 19,304.57
  4. Step 4: Simplify right side
    40,369.49x = 1,168,973,889.50
  5. Step 5: Solve for x
    x = 1,168,973,889.50/40,369.49
  6. Step 6: Final answer
    x = 28,956.86

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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.