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Finding the Fourth Proportional to 28,998.40, 43,465.20 and 16,524.40

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Solution

The fourth proportional to 28,998.40, 43,465.20 and 16,524.40 is: 24,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.40 : 43,465.20 = 16,524.40 : x
  2. Step 2: Convert to fraction form
    28,998.40/43,465.20 = 16,524.40/x
  3. Step 3: Cross multiply
    28,998.40x = 43,465.20 × 16,524.40
  4. Step 4: Simplify right side
    28,998.40x = 718,236,350.88
  5. Step 5: Solve for x
    x = 718,236,350.88/28,998.40
  6. Step 6: Final answer
    x = 24,768.14

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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.