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Finding the Fourth Proportional to 40,430.80, 60,559.80 and 33,518.80

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Solution

The fourth proportional to 40,430.80, 60,559.80 and 33,518.80 is: 50,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.80 : 60,559.80 = 33,518.80 : x
  2. Step 2: Convert to fraction form
    40,430.80/60,559.80 = 33,518.80/x
  3. Step 3: Cross multiply
    40,430.80x = 60,559.80 × 33,518.80
  4. Step 4: Simplify right side
    40,430.80x = 2,029,891,824.24
  5. Step 5: Solve for x
    x = 2,029,891,824.24/40,430.80
  6. Step 6: Final answer
    x = 50,206.57

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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.