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Finding the Fourth Proportional to 70,511.90, 105,772.65 and 22,476.70

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Solution

The fourth proportional to 70,511.90, 105,772.65 and 22,476.70 is: 33,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,511.90 : 105,772.65 = 22,476.70 : x
  2. Step 2: Convert to fraction form
    70,511.90/105,772.65 = 22,476.70/x
  3. Step 3: Cross multiply
    70,511.90x = 105,772.65 × 22,476.70
  4. Step 4: Simplify right side
    70,511.90x = 2,377,420,122.26
  5. Step 5: Solve for x
    x = 2,377,420,122.26/70,511.90
  6. Step 6: Final answer
    x = 33,716.58

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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.