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Finding the Fourth Proportional to 48,283.92, 72,425.94 and 13,223.88

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Solution

The fourth proportional to 48,283.92, 72,425.94 and 13,223.88 is: 19,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,283.92 : 72,425.94 = 13,223.88 : x
  2. Step 2: Convert to fraction form
    48,283.92/72,425.94 = 13,223.88/x
  3. Step 3: Cross multiply
    48,283.92x = 72,425.94 × 13,223.88
  4. Step 4: Simplify right side
    48,283.92x = 957,751,939.45
  5. Step 5: Solve for x
    x = 957,751,939.45/48,283.92
  6. Step 6: Final answer
    x = 19,835.84

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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.