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Finding the Fourth Proportional to 71,025.73, 106,510.89 and 26,628.25

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Solution

The fourth proportional to 71,025.73, 106,510.89 and 26,628.25 is: 39,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.73 : 106,510.89 = 26,628.25 : x
  2. Step 2: Convert to fraction form
    71,025.73/106,510.89 = 26,628.25/x
  3. Step 3: Cross multiply
    71,025.73x = 106,510.89 × 26,628.25
  4. Step 4: Simplify right side
    71,025.73x = 2,836,198,606.64
  5. Step 5: Solve for x
    x = 2,836,198,606.64/71,025.73
  6. Step 6: Final answer
    x = 39,931.99

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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.