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Finding the Fourth Proportional to 14,843.68, 22,235.28 and 7,028.80

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Solution

The fourth proportional to 14,843.68, 22,235.28 and 7,028.80 is: 10,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.68 : 22,235.28 = 7,028.80 : x
  2. Step 2: Convert to fraction form
    14,843.68/22,235.28 = 7,028.80/x
  3. Step 3: Cross multiply
    14,843.68x = 22,235.28 × 7,028.80
  4. Step 4: Simplify right side
    14,843.68x = 156,287,336.06
  5. Step 5: Solve for x
    x = 156,287,336.06/14,843.68
  6. Step 6: Final answer
    x = 10,528.88

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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.