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Finding the Fourth Proportional to 37,469.40, 56,038.86 and 33,338.40

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Solution

The fourth proportional to 37,469.40, 56,038.86 and 33,338.40 is: 49,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,469.40 : 56,038.86 = 33,338.40 : x
  2. Step 2: Convert to fraction form
    37,469.40/56,038.86 = 33,338.40/x
  3. Step 3: Cross multiply
    37,469.40x = 56,038.86 × 33,338.40
  4. Step 4: Simplify right side
    37,469.40x = 1,868,245,930.22
  5. Step 5: Solve for x
    x = 1,868,245,930.22/37,469.40
  6. Step 6: Final answer
    x = 49,860.58

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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.