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Finding the Fourth Proportional to 65,989.31, 98,994.44 and 23,865.07

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Solution

The fourth proportional to 65,989.31, 98,994.44 and 23,865.07 is: 35,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.31 : 98,994.44 = 23,865.07 : x
  2. Step 2: Convert to fraction form
    65,989.31/98,994.44 = 23,865.07/x
  3. Step 3: Cross multiply
    65,989.31x = 98,994.44 × 23,865.07
  4. Step 4: Simplify right side
    65,989.31x = 2,362,509,065.23
  5. Step 5: Solve for x
    x = 2,362,509,065.23/65,989.31
  6. Step 6: Final answer
    x = 35,801.39

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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.