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Finding the Fourth Proportional to 43,059.88, 64,601.34 and 38,947.24

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Solution

The fourth proportional to 43,059.88, 64,601.34 and 38,947.24 is: 58,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,059.88 : 64,601.34 = 38,947.24 : x
  2. Step 2: Convert to fraction form
    43,059.88/64,601.34 = 38,947.24/x
  3. Step 3: Cross multiply
    43,059.88x = 64,601.34 × 38,947.24
  4. Step 4: Simplify right side
    43,059.88x = 2,516,043,893.30
  5. Step 5: Solve for x
    x = 2,516,043,893.30/43,059.88
  6. Step 6: Final answer
    x = 58,431.28

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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.