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Finding the Fourth Proportional to 71,025.84, 106,511.08 and 26,628.38

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Solution

The fourth proportional to 71,025.84, 106,511.08 and 26,628.38 is: 39,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.84 : 106,511.08 = 26,628.38 : x
  2. Step 2: Convert to fraction form
    71,025.84/106,511.08 = 26,628.38/x
  3. Step 3: Cross multiply
    71,025.84x = 106,511.08 × 26,628.38
  4. Step 4: Simplify right side
    71,025.84x = 2,836,217,512.45
  5. Step 5: Solve for x
    x = 2,836,217,512.45/71,025.84
  6. Step 6: Final answer
    x = 39,932.19

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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.