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Finding the Fourth Proportional to 92,012.76, 126,977.63 and 51,726.60

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Solution

The fourth proportional to 92,012.76, 126,977.63 and 51,726.60 is: 71,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.76 : 126,977.63 = 51,726.60 : x
  2. Step 2: Convert to fraction form
    92,012.76/126,977.63 = 51,726.60/x
  3. Step 3: Cross multiply
    92,012.76x = 126,977.63 × 51,726.60
  4. Step 4: Simplify right side
    92,012.76x = 6,568,120,817.33
  5. Step 5: Solve for x
    x = 6,568,120,817.33/92,012.76
  6. Step 6: Final answer
    x = 71,382.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.