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Finding the Fourth Proportional to 64,734.44, 89,361.14 and 43,526

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Solution

The fourth proportional to 64,734.44, 89,361.14 and 43,526 is: 60,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.44 : 89,361.14 = 43,526 : x
  2. Step 2: Convert to fraction form
    64,734.44/89,361.14 = 43,526/x
  3. Step 3: Cross multiply
    64,734.44x = 89,361.14 × 43,526
  4. Step 4: Simplify right side
    64,734.44x = 3,889,532,979.64
  5. Step 5: Solve for x
    x = 3,889,532,979.64/64,734.44
  6. Step 6: Final answer
    x = 60,084.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.