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Finding the Fourth Proportional to 53,992.44, 80,990.56 and 14,550.50

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Solution

The fourth proportional to 53,992.44, 80,990.56 and 14,550.50 is: 21,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.44 : 80,990.56 = 14,550.50 : x
  2. Step 2: Convert to fraction form
    53,992.44/80,990.56 = 14,550.50/x
  3. Step 3: Cross multiply
    53,992.44x = 80,990.56 × 14,550.50
  4. Step 4: Simplify right side
    53,992.44x = 1,178,452,701.95
  5. Step 5: Solve for x
    x = 1,178,452,701.95/53,992.44
  6. Step 6: Final answer
    x = 21,826.25

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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.