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Finding the Fourth Proportional to 28,797.05, 43,189.10 and 10,329.05

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Solution

The fourth proportional to 28,797.05, 43,189.10 and 10,329.05 is: 15,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.05 : 43,189.10 = 10,329.05 : x
  2. Step 2: Convert to fraction form
    28,797.05/43,189.10 = 10,329.05/x
  3. Step 3: Cross multiply
    28,797.05x = 43,189.10 × 10,329.05
  4. Step 4: Simplify right side
    28,797.05x = 446,102,468.42
  5. Step 5: Solve for x
    x = 446,102,468.42/28,797.05
  6. Step 6: Final answer
    x = 15,491.25

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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.