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Finding the Fourth Proportional to 45,454.70, 62,698.20 and 29,342.54

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Solution

The fourth proportional to 45,454.70, 62,698.20 and 29,342.54 is: 40,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.70 : 62,698.20 = 29,342.54 : x
  2. Step 2: Convert to fraction form
    45,454.70/62,698.20 = 29,342.54/x
  3. Step 3: Cross multiply
    45,454.70x = 62,698.20 × 29,342.54
  4. Step 4: Simplify right side
    45,454.70x = 1,839,724,441.43
  5. Step 5: Solve for x
    x = 1,839,724,441.43/45,454.70
  6. Step 6: Final answer
    x = 40,473.80

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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.