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Finding the Fourth Proportional to 53,999.70, 80,999.55 and 16,559.48

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Solution

The fourth proportional to 53,999.70, 80,999.55 and 16,559.48 is: 24,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.70 : 80,999.55 = 16,559.48 : x
  2. Step 2: Convert to fraction form
    53,999.70/80,999.55 = 16,559.48/x
  3. Step 3: Cross multiply
    53,999.70x = 80,999.55 × 16,559.48
  4. Step 4: Simplify right side
    53,999.70x = 1,341,310,023.24
  5. Step 5: Solve for x
    x = 1,341,310,023.24/53,999.70
  6. Step 6: Final answer
    x = 24,839.21

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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.