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Finding the Fourth Proportional to 71,276.79, 106,938.93 and 23,896.56

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Solution

The fourth proportional to 71,276.79, 106,938.93 and 23,896.56 is: 35,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,276.79 : 106,938.93 = 23,896.56 : x
  2. Step 2: Convert to fraction form
    71,276.79/106,938.93 = 23,896.56/x
  3. Step 3: Cross multiply
    71,276.79x = 106,938.93 × 23,896.56
  4. Step 4: Simplify right side
    71,276.79x = 2,555,472,557.08
  5. Step 5: Solve for x
    x = 2,555,472,557.08/71,276.79
  6. Step 6: Final answer
    x = 35,852.80

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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.