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Finding the Fourth Proportional to 72,903.74, 100,604.67 and 44,609.42

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Solution

The fourth proportional to 72,903.74, 100,604.67 and 44,609.42 is: 61,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,903.74 : 100,604.67 = 44,609.42 : x
  2. Step 2: Convert to fraction form
    72,903.74/100,604.67 = 44,609.42/x
  3. Step 3: Cross multiply
    72,903.74x = 100,604.67 × 44,609.42
  4. Step 4: Simplify right side
    72,903.74x = 4,487,915,474.97
  5. Step 5: Solve for x
    x = 4,487,915,474.97/72,903.74
  6. Step 6: Final answer
    x = 61,559.47

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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.