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Finding the Fourth Proportional to 30,513.70, 45,770.70 and 10,792.27

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Solution

The fourth proportional to 30,513.70, 45,770.70 and 10,792.27 is: 16,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.70 : 45,770.70 = 10,792.27 : x
  2. Step 2: Convert to fraction form
    30,513.70/45,770.70 = 10,792.27/x
  3. Step 3: Cross multiply
    30,513.70x = 45,770.70 × 10,792.27
  4. Step 4: Simplify right side
    30,513.70x = 493,969,698.53
  5. Step 5: Solve for x
    x = 493,969,698.53/30,513.70
  6. Step 6: Final answer
    x = 16,188.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.