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Finding the Fourth Proportional to 54,719.40, 82,079.10 and 37,093.80

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Solution

The fourth proportional to 54,719.40, 82,079.10 and 37,093.80 is: 55,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.40 : 82,079.10 = 37,093.80 : x
  2. Step 2: Convert to fraction form
    54,719.40/82,079.10 = 37,093.80/x
  3. Step 3: Cross multiply
    54,719.40x = 82,079.10 × 37,093.80
  4. Step 4: Simplify right side
    54,719.40x = 3,044,625,719.58
  5. Step 5: Solve for x
    x = 3,044,625,719.58/54,719.40
  6. Step 6: Final answer
    x = 55,640.70

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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.