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Finding the Fourth Proportional to 56,480.54, 84,696.20 and 19,033.63

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Solution

The fourth proportional to 56,480.54, 84,696.20 and 19,033.63 is: 28,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,480.54 : 84,696.20 = 19,033.63 : x
  2. Step 2: Convert to fraction form
    56,480.54/84,696.20 = 19,033.63/x
  3. Step 3: Cross multiply
    56,480.54x = 84,696.20 × 19,033.63
  4. Step 4: Simplify right side
    56,480.54x = 1,612,076,133.21
  5. Step 5: Solve for x
    x = 1,612,076,133.21/56,480.54
  6. Step 6: Final answer
    x = 28,542.15

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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.