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Finding the Fourth Proportional to 50,649.63, 69,896.49 and 28,293.63

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Solution

The fourth proportional to 50,649.63, 69,896.49 and 28,293.63 is: 39,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.63 : 69,896.49 = 28,293.63 : x
  2. Step 2: Convert to fraction form
    50,649.63/69,896.49 = 28,293.63/x
  3. Step 3: Cross multiply
    50,649.63x = 69,896.49 × 28,293.63
  4. Step 4: Simplify right side
    50,649.63x = 1,977,624,935.41
  5. Step 5: Solve for x
    x = 1,977,624,935.41/50,649.63
  6. Step 6: Final answer
    x = 39,045.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.