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Finding the Fourth Proportional to 50,352.34, 75,479.25 and 20,795.08

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Solution

The fourth proportional to 50,352.34, 75,479.25 and 20,795.08 is: 31,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,352.34 : 75,479.25 = 20,795.08 : x
  2. Step 2: Convert to fraction form
    50,352.34/75,479.25 = 20,795.08/x
  3. Step 3: Cross multiply
    50,352.34x = 75,479.25 × 20,795.08
  4. Step 4: Simplify right side
    50,352.34x = 1,569,597,042.09
  5. Step 5: Solve for x
    x = 1,569,597,042.09/50,352.34
  6. Step 6: Final answer
    x = 31,172.28

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1.5x scale

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.