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Finding the Fourth Proportional to 70,017.70, 105,033.09 and 27,887.62

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Solution

The fourth proportional to 70,017.70, 105,033.09 and 27,887.62 is: 41,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.70 : 105,033.09 = 27,887.62 : x
  2. Step 2: Convert to fraction form
    70,017.70/105,033.09 = 27,887.62/x
  3. Step 3: Cross multiply
    70,017.70x = 105,033.09 × 27,887.62
  4. Step 4: Simplify right side
    70,017.70x = 2,929,122,901.35
  5. Step 5: Solve for x
    x = 2,929,122,901.35/70,017.70
  6. Step 6: Final answer
    x = 41,834.03

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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.