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Finding the Fourth Proportional to 70,911.84, 106,310.34 and 26,532.21

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Solution

The fourth proportional to 70,911.84, 106,310.34 and 26,532.21 is: 39,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,911.84 : 106,310.34 = 26,532.21 : x
  2. Step 2: Convert to fraction form
    70,911.84/106,310.34 = 26,532.21/x
  3. Step 3: Cross multiply
    70,911.84x = 106,310.34 × 26,532.21
  4. Step 4: Simplify right side
    70,911.84x = 2,820,648,266.05
  5. Step 5: Solve for x
    x = 2,820,648,266.05/70,911.84
  6. Step 6: Final answer
    x = 39,776.83

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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.