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Finding the Fourth Proportional to 57,529.94, 86,295.99 and 15,978.02

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Solution

The fourth proportional to 57,529.94, 86,295.99 and 15,978.02 is: 23,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,529.94 : 86,295.99 = 15,978.02 : x
  2. Step 2: Convert to fraction form
    57,529.94/86,295.99 = 15,978.02/x
  3. Step 3: Cross multiply
    57,529.94x = 86,295.99 × 15,978.02
  4. Step 4: Simplify right side
    57,529.94x = 1,378,839,054.14
  5. Step 5: Solve for x
    x = 1,378,839,054.14/57,529.94
  6. Step 6: Final answer
    x = 23,967.33

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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.