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Finding the Fourth Proportional to 49,504.60, 74,329.80 and 38,423.80

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Solution

The fourth proportional to 49,504.60, 74,329.80 and 38,423.80 is: 57,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,504.60 : 74,329.80 = 38,423.80 : x
  2. Step 2: Convert to fraction form
    49,504.60/74,329.80 = 38,423.80/x
  3. Step 3: Cross multiply
    49,504.60x = 74,329.80 × 38,423.80
  4. Step 4: Simplify right side
    49,504.60x = 2,856,033,369.24
  5. Step 5: Solve for x
    x = 2,856,033,369.24/49,504.60
  6. Step 6: Final answer
    x = 57,692.28

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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.