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Finding the Fourth Proportional to 69,374.60, 104,061.90 and 25,002.80

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Solution

The fourth proportional to 69,374.60, 104,061.90 and 25,002.80 is: 37,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.60 : 104,061.90 = 25,002.80 : x
  2. Step 2: Convert to fraction form
    69,374.60/104,061.90 = 25,002.80/x
  3. Step 3: Cross multiply
    69,374.60x = 104,061.90 × 25,002.80
  4. Step 4: Simplify right side
    69,374.60x = 2,601,838,873.32
  5. Step 5: Solve for x
    x = 2,601,838,873.32/69,374.60
  6. Step 6: Final answer
    x = 37,504.20

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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.