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Finding the Fourth Proportional to 72,846.40, 100,527.90 and 41,015.44

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Solution

The fourth proportional to 72,846.40, 100,527.90 and 41,015.44 is: 56,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,846.40 : 100,527.90 = 41,015.44 : x
  2. Step 2: Convert to fraction form
    72,846.40/100,527.90 = 41,015.44/x
  3. Step 3: Cross multiply
    72,846.40x = 100,527.90 × 41,015.44
  4. Step 4: Simplify right side
    72,846.40x = 4,123,196,050.78
  5. Step 5: Solve for x
    x = 4,123,196,050.78/72,846.40
  6. Step 6: Final answer
    x = 56,601.23

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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.