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Finding the Fourth Proportional to 71,592.54, 98,794.94 and 39,763.46

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Solution

The fourth proportional to 71,592.54, 98,794.94 and 39,763.46 is: 54,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.54 : 98,794.94 = 39,763.46 : x
  2. Step 2: Convert to fraction form
    71,592.54/98,794.94 = 39,763.46/x
  3. Step 3: Cross multiply
    71,592.54x = 98,794.94 × 39,763.46
  4. Step 4: Simplify right side
    71,592.54x = 3,928,427,952.10
  5. Step 5: Solve for x
    x = 3,928,427,952.10/71,592.54
  6. Step 6: Final answer
    x = 54,872.03

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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.