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Finding the Fourth Proportional to 45,634.80, 62,972.80 and 25,490.92

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Solution

The fourth proportional to 45,634.80, 62,972.80 and 25,490.92 is: 35,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,634.80 : 62,972.80 = 25,490.92 : x
  2. Step 2: Convert to fraction form
    45,634.80/62,972.80 = 25,490.92/x
  3. Step 3: Cross multiply
    45,634.80x = 62,972.80 × 25,490.92
  4. Step 4: Simplify right side
    45,634.80x = 1,605,234,606.98
  5. Step 5: Solve for x
    x = 1,605,234,606.98/45,634.80
  6. Step 6: Final answer
    x = 35,175.67

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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.