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Finding the Fourth Proportional to 49,309.60, 73,915.80 and 24,329.20

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Solution

The fourth proportional to 49,309.60, 73,915.80 and 24,329.20 is: 36,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309.60 : 73,915.80 = 24,329.20 : x
  2. Step 2: Convert to fraction form
    49,309.60/73,915.80 = 24,329.20/x
  3. Step 3: Cross multiply
    49,309.60x = 73,915.80 × 24,329.20
  4. Step 4: Simplify right side
    49,309.60x = 1,798,312,281.36
  5. Step 5: Solve for x
    x = 1,798,312,281.36/49,309.60
  6. Step 6: Final answer
    x = 36,469.82

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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.