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Finding the Fourth Proportional to 69,374.56, 104,056.46 and 19,452

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Solution

The fourth proportional to 69,374.56, 104,056.46 and 19,452 is: 29,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.56 : 104,056.46 = 19,452 : x
  2. Step 2: Convert to fraction form
    69,374.56/104,056.46 = 19,452/x
  3. Step 3: Cross multiply
    69,374.56x = 104,056.46 × 19,452
  4. Step 4: Simplify right side
    69,374.56x = 2,024,106,259.92
  5. Step 5: Solve for x
    x = 2,024,106,259.92/69,374.56
  6. Step 6: Final answer
    x = 29,176.49

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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.