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Finding the Fourth Proportional to 40,663.80, 60,909.30 and 33,751.80

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Solution

The fourth proportional to 40,663.80, 60,909.30 and 33,751.80 is: 50,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,663.80 : 60,909.30 = 33,751.80 : x
  2. Step 2: Convert to fraction form
    40,663.80/60,909.30 = 33,751.80/x
  3. Step 3: Cross multiply
    40,663.80x = 60,909.30 × 33,751.80
  4. Step 4: Simplify right side
    40,663.80x = 2,055,798,511.74
  5. Step 5: Solve for x
    x = 2,055,798,511.74/40,663.80
  6. Step 6: Final answer
    x = 50,555.99

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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.