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Finding the Fourth Proportional to 13,849,469.46, 20,774,627.40 and 4,751,439.42

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Solution

The fourth proportional to 13,849,469.46, 20,774,627.40 and 4,751,439.42 is: 7,127,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849,469.46 : 20,774,627.40 = 4,751,439.42 : x
  2. Step 2: Convert to fraction form
    13,849,469.46/20,774,627.40 = 4,751,439.42/x
  3. Step 3: Cross multiply
    13,849,469.46x = 20,774,627.40 × 4,751,439.42
  4. Step 4: Simplify right side
    13,849,469.46x = 98,709,383,564,172.09
  5. Step 5: Solve for x
    x = 98,709,383,564,172.09/13,849,469.46
  6. Step 6: Final answer
    x = 7,127,304.32

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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.