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Finding the Fourth Proportional to 28,358.88, 42,541.23 and 10,843.44

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Solution

The fourth proportional to 28,358.88, 42,541.23 and 10,843.44 is: 16,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.88 : 42,541.23 = 10,843.44 : x
  2. Step 2: Convert to fraction form
    28,358.88/42,541.23 = 10,843.44/x
  3. Step 3: Cross multiply
    28,358.88x = 42,541.23 × 10,843.44
  4. Step 4: Simplify right side
    28,358.88x = 461,293,275.03
  5. Step 5: Solve for x
    x = 461,293,275.03/28,358.88
  6. Step 6: Final answer
    x = 16,266.27

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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.