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Finding the Fourth Proportional to 53,999.80, 80,989.26 and 16,550.80

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Solution

The fourth proportional to 53,999.80, 80,989.26 and 16,550.80 is: 24,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.80 : 80,989.26 = 16,550.80 : x
  2. Step 2: Convert to fraction form
    53,999.80/80,989.26 = 16,550.80/x
  3. Step 3: Cross multiply
    53,999.80x = 80,989.26 × 16,550.80
  4. Step 4: Simplify right side
    53,999.80x = 1,340,437,044.41
  5. Step 5: Solve for x
    x = 1,340,437,044.41/53,999.80
  6. Step 6: Final answer
    x = 24,823.00

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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.