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Finding the Fourth Proportional to 53,486.69, 73,793.49 and 30,824.96

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Solution

The fourth proportional to 53,486.69, 73,793.49 and 30,824.96 is: 42,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,486.69 : 73,793.49 = 30,824.96 : x
  2. Step 2: Convert to fraction form
    53,486.69/73,793.49 = 30,824.96/x
  3. Step 3: Cross multiply
    53,486.69x = 73,793.49 × 30,824.96
  4. Step 4: Simplify right side
    53,486.69x = 2,274,681,377.51
  5. Step 5: Solve for x
    x = 2,274,681,377.51/53,486.69
  6. Step 6: Final answer
    x = 42,527.99

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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.