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Finding the Fourth Proportional to 60,074.40, 82,900.80 and 33,216.80

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Solution

The fourth proportional to 60,074.40, 82,900.80 and 33,216.80 is: 45,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,074.40 : 82,900.80 = 33,216.80 : x
  2. Step 2: Convert to fraction form
    60,074.40/82,900.80 = 33,216.80/x
  3. Step 3: Cross multiply
    60,074.40x = 82,900.80 × 33,216.80
  4. Step 4: Simplify right side
    60,074.40x = 2,753,699,293.44
  5. Step 5: Solve for x
    x = 2,753,699,293.44/60,074.40
  6. Step 6: Final answer
    x = 45,838.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.