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Finding the Fourth Proportional to 71,025.84, 106,511.06 and 26,628.40

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Solution

The fourth proportional to 71,025.84, 106,511.06 and 26,628.40 is: 39,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.84 : 106,511.06 = 26,628.40 : x
  2. Step 2: Convert to fraction form
    71,025.84/106,511.06 = 26,628.40/x
  3. Step 3: Cross multiply
    71,025.84x = 106,511.06 × 26,628.40
  4. Step 4: Simplify right side
    71,025.84x = 2,836,219,110.10
  5. Step 5: Solve for x
    x = 2,836,219,110.10/71,025.84
  6. Step 6: Final answer
    x = 39,932.21

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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.