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Finding the Fourth Proportional to 69,994.51, 105,012.96 and 25,009.98

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Solution

The fourth proportional to 69,994.51, 105,012.96 and 25,009.98 is: 37,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.51 : 105,012.96 = 25,009.98 : x
  2. Step 2: Convert to fraction form
    69,994.51/105,012.96 = 25,009.98/x
  3. Step 3: Cross multiply
    69,994.51x = 105,012.96 × 25,009.98
  4. Step 4: Simplify right side
    69,994.51x = 2,626,372,029.34
  5. Step 5: Solve for x
    x = 2,626,372,029.34/69,994.51
  6. Step 6: Final answer
    x = 37,522.54

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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.