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Finding the Fourth Proportional to 49,706.62, 68,594.64 and 28,200.34

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Solution

The fourth proportional to 49,706.62, 68,594.64 and 28,200.34 is: 38,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,706.62 : 68,594.64 = 28,200.34 : x
  2. Step 2: Convert to fraction form
    49,706.62/68,594.64 = 28,200.34/x
  3. Step 3: Cross multiply
    49,706.62x = 68,594.64 × 28,200.34
  4. Step 4: Simplify right side
    49,706.62x = 1,934,392,170.18
  5. Step 5: Solve for x
    x = 1,934,392,170.18/49,706.62
  6. Step 6: Final answer
    x = 38,916.19

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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.