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Finding the Fourth Proportional to 20,041.95, 30,065.66 and 8,352.44

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Solution

The fourth proportional to 20,041.95, 30,065.66 and 8,352.44 is: 12,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.95 : 30,065.66 = 8,352.44 : x
  2. Step 2: Convert to fraction form
    20,041.95/30,065.66 = 8,352.44/x
  3. Step 3: Cross multiply
    20,041.95x = 30,065.66 × 8,352.44
  4. Step 4: Simplify right side
    20,041.95x = 251,121,621.21
  5. Step 5: Solve for x
    x = 251,121,621.21/20,041.95
  6. Step 6: Final answer
    x = 12,529.80

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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.