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Finding the Fourth Proportional to 30,395.76, 45,596.25 and 10,672.62

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Solution

The fourth proportional to 30,395.76, 45,596.25 and 10,672.62 is: 16,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.76 : 45,596.25 = 10,672.62 : x
  2. Step 2: Convert to fraction form
    30,395.76/45,596.25 = 10,672.62/x
  3. Step 3: Cross multiply
    30,395.76x = 45,596.25 × 10,672.62
  4. Step 4: Simplify right side
    30,395.76x = 486,631,449.68
  5. Step 5: Solve for x
    x = 486,631,449.68/30,395.76
  6. Step 6: Final answer
    x = 16,009.85

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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.