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Finding the Fourth Proportional to 72,880.44, 100,574.52 and 41,059.56

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Solution

The fourth proportional to 72,880.44, 100,574.52 and 41,059.56 is: 56,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,880.44 : 100,574.52 = 41,059.56 : x
  2. Step 2: Convert to fraction form
    72,880.44/100,574.52 = 41,059.56/x
  3. Step 3: Cross multiply
    72,880.44x = 100,574.52 × 41,059.56
  4. Step 4: Simplify right side
    72,880.44x = 4,129,545,538.41
  5. Step 5: Solve for x
    x = 4,129,545,538.41/72,880.44
  6. Step 6: Final answer
    x = 56,661.92

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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.