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Finding the Fourth Proportional to 48,454.80, 72,669.72 and 17,285.52

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Solution

The fourth proportional to 48,454.80, 72,669.72 and 17,285.52 is: 25,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,454.80 : 72,669.72 = 17,285.52 : x
  2. Step 2: Convert to fraction form
    48,454.80/72,669.72 = 17,285.52/x
  3. Step 3: Cross multiply
    48,454.80x = 72,669.72 × 17,285.52
  4. Step 4: Simplify right side
    48,454.80x = 1,256,133,898.45
  5. Step 5: Solve for x
    x = 1,256,133,898.45/48,454.80
  6. Step 6: Final answer
    x = 25,923.83

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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.