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Finding the Fourth Proportional to 53,596.68, 73,958.07 and 30,942.98

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Solution

The fourth proportional to 53,596.68, 73,958.07 and 30,942.98 is: 42,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,596.68 : 73,958.07 = 30,942.98 : x
  2. Step 2: Convert to fraction form
    53,596.68/73,958.07 = 30,942.98/x
  3. Step 3: Cross multiply
    53,596.68x = 73,958.07 × 30,942.98
  4. Step 4: Simplify right side
    53,596.68x = 2,288,482,711.06
  5. Step 5: Solve for x
    x = 2,288,482,711.06/53,596.68
  6. Step 6: Final answer
    x = 42,698.22

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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.