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Finding the Fourth Proportional to 30,524.76, 45,790.76 and 10,799.28

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Solution

The fourth proportional to 30,524.76, 45,790.76 and 10,799.28 is: 16,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.76 : 45,790.76 = 10,799.28 : x
  2. Step 2: Convert to fraction form
    30,524.76/45,790.76 = 10,799.28/x
  3. Step 3: Cross multiply
    30,524.76x = 45,790.76 × 10,799.28
  4. Step 4: Simplify right side
    30,524.76x = 494,507,238.65
  5. Step 5: Solve for x
    x = 494,507,238.65/30,524.76
  6. Step 6: Final answer
    x = 16,200.20

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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.