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Finding the Fourth Proportional to 30,028.40, 44,981.10 and 16,853.10

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Solution

The fourth proportional to 30,028.40, 44,981.10 and 16,853.10 is: 25,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.40 : 44,981.10 = 16,853.10 : x
  2. Step 2: Convert to fraction form
    30,028.40/44,981.10 = 16,853.10/x
  3. Step 3: Cross multiply
    30,028.40x = 44,981.10 × 16,853.10
  4. Step 4: Simplify right side
    30,028.40x = 758,070,976.41
  5. Step 5: Solve for x
    x = 758,070,976.41/30,028.40
  6. Step 6: Final answer
    x = 25,245.13

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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.