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Finding the Fourth Proportional to 69,792.81, 104,627.76 and 27,702.45

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Solution

The fourth proportional to 69,792.81, 104,627.76 and 27,702.45 is: 41,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,792.81 : 104,627.76 = 27,702.45 : x
  2. Step 2: Convert to fraction form
    69,792.81/104,627.76 = 27,702.45/x
  3. Step 3: Cross multiply
    69,792.81x = 104,627.76 × 27,702.45
  4. Step 4: Simplify right side
    69,792.81x = 2,898,445,290.01
  5. Step 5: Solve for x
    x = 2,898,445,290.01/69,792.81
  6. Step 6: Final answer
    x = 41,529.28

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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.