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Finding the Fourth Proportional to 60,481.54, 90,738.72 and 18,362.99

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Solution

The fourth proportional to 60,481.54, 90,738.72 and 18,362.99 is: 27,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.54 : 90,738.72 = 18,362.99 : x
  2. Step 2: Convert to fraction form
    60,481.54/90,738.72 = 18,362.99/x
  3. Step 3: Cross multiply
    60,481.54x = 90,738.72 × 18,362.99
  4. Step 4: Simplify right side
    60,481.54x = 1,666,234,434.82
  5. Step 5: Solve for x
    x = 1,666,234,434.82/60,481.54
  6. Step 6: Final answer
    x = 27,549.47

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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.