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Finding the Fourth Proportional to 49,706.64, 68,594.64 and 28,200.36

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Solution

The fourth proportional to 49,706.64, 68,594.64 and 28,200.36 is: 38,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,706.64 : 68,594.64 = 28,200.36 : x
  2. Step 2: Convert to fraction form
    49,706.64/68,594.64 = 28,200.36/x
  3. Step 3: Cross multiply
    49,706.64x = 68,594.64 × 28,200.36
  4. Step 4: Simplify right side
    49,706.64x = 1,934,393,542.07
  5. Step 5: Solve for x
    x = 1,934,393,542.07/49,706.64
  6. Step 6: Final answer
    x = 38,916.20

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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.