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Finding the Fourth Proportional to 84,023.28, 115,927.26 and 50,004.50

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Solution

The fourth proportional to 84,023.28, 115,927.26 and 50,004.50 is: 68,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.28 : 115,927.26 = 50,004.50 : x
  2. Step 2: Convert to fraction form
    84,023.28/115,927.26 = 50,004.50/x
  3. Step 3: Cross multiply
    84,023.28x = 115,927.26 × 50,004.50
  4. Step 4: Simplify right side
    84,023.28x = 5,796,884,672.67
  5. Step 5: Solve for x
    x = 5,796,884,672.67/84,023.28
  6. Step 6: Final answer
    x = 68,991.41

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1.5x scale

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.