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Finding the Fourth Proportional to 57,410.52, 86,069.31 and 17,947.32

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Solution

The fourth proportional to 57,410.52, 86,069.31 and 17,947.32 is: 26,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,410.52 : 86,069.31 = 17,947.32 : x
  2. Step 2: Convert to fraction form
    57,410.52/86,069.31 = 17,947.32/x
  3. Step 3: Cross multiply
    57,410.52x = 86,069.31 × 17,947.32
  4. Step 4: Simplify right side
    57,410.52x = 1,544,713,448.75
  5. Step 5: Solve for x
    x = 1,544,713,448.75/57,410.52
  6. Step 6: Final answer
    x = 26,906.45

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1.5x scale

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.