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Finding the Fourth Proportional to 51,498.40, 77,247.60 and 36,626.80

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Solution

The fourth proportional to 51,498.40, 77,247.60 and 36,626.80 is: 54,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,498.40 : 77,247.60 = 36,626.80 : x
  2. Step 2: Convert to fraction form
    51,498.40/77,247.60 = 36,626.80/x
  3. Step 3: Cross multiply
    51,498.40x = 77,247.60 × 36,626.80
  4. Step 4: Simplify right side
    51,498.40x = 2,829,332,395.68
  5. Step 5: Solve for x
    x = 2,829,332,395.68/51,498.40
  6. Step 6: Final answer
    x = 54,940.20

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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.