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Finding the Fourth Proportional to 28,716.52, 43,048.80 and 10,244.20

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Solution

The fourth proportional to 28,716.52, 43,048.80 and 10,244.20 is: 15,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.52 : 43,048.80 = 10,244.20 : x
  2. Step 2: Convert to fraction form
    28,716.52/43,048.80 = 10,244.20/x
  3. Step 3: Cross multiply
    28,716.52x = 43,048.80 × 10,244.20
  4. Step 4: Simplify right side
    28,716.52x = 441,000,516.96
  5. Step 5: Solve for x
    x = 441,000,516.96/28,716.52
  6. Step 6: Final answer
    x = 15,357.03

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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.