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Finding the Fourth Proportional to 53,930.88, 80,896.50 and 16,490.81

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Solution

The fourth proportional to 53,930.88, 80,896.50 and 16,490.81 is: 24,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.88 : 80,896.50 = 16,490.81 : x
  2. Step 2: Convert to fraction form
    53,930.88/80,896.50 = 16,490.81/x
  3. Step 3: Cross multiply
    53,930.88x = 80,896.50 × 16,490.81
  4. Step 4: Simplify right side
    53,930.88x = 1,334,048,811.17
  5. Step 5: Solve for x
    x = 1,334,048,811.17/53,930.88
  6. Step 6: Final answer
    x = 24,736.27

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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.