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Finding the Fourth Proportional to 45,493.94, 62,780.04 and 25,349.78

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Solution

The fourth proportional to 45,493.94, 62,780.04 and 25,349.78 is: 34,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.94 : 62,780.04 = 25,349.78 : x
  2. Step 2: Convert to fraction form
    45,493.94/62,780.04 = 25,349.78/x
  3. Step 3: Cross multiply
    45,493.94x = 62,780.04 × 25,349.78
  4. Step 4: Simplify right side
    45,493.94x = 1,591,460,202.39
  5. Step 5: Solve for x
    x = 1,591,460,202.39/45,493.94
  6. Step 6: Final answer
    x = 34,981.81

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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.