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Finding the Fourth Proportional to 51,940.68, 71,678.45 and 32,828.92

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Solution

The fourth proportional to 51,940.68, 71,678.45 and 32,828.92 is: 45,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.68 : 71,678.45 = 32,828.92 : x
  2. Step 2: Convert to fraction form
    51,940.68/71,678.45 = 32,828.92/x
  3. Step 3: Cross multiply
    51,940.68x = 71,678.45 × 32,828.92
  4. Step 4: Simplify right side
    51,940.68x = 2,353,126,100.77
  5. Step 5: Solve for x
    x = 2,353,126,100.77/51,940.68
  6. Step 6: Final answer
    x = 45,304.11

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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.