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Finding the Fourth Proportional to 48,630.38, 72,945.56 and 11,694.38

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Solution

The fourth proportional to 48,630.38, 72,945.56 and 11,694.38 is: 17,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.38 : 72,945.56 = 11,694.38 : x
  2. Step 2: Convert to fraction form
    48,630.38/72,945.56 = 11,694.38/x
  3. Step 3: Cross multiply
    48,630.38x = 72,945.56 × 11,694.38
  4. Step 4: Simplify right side
    48,630.38x = 853,052,762.46
  5. Step 5: Solve for x
    x = 853,052,762.46/48,630.38
  6. Step 6: Final answer
    x = 17,541.56

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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.