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Finding the Fourth Proportional to 30,246.68, 45,382.68 and 16,203.11

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Solution

The fourth proportional to 30,246.68, 45,382.68 and 16,203.11 is: 24,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.68 : 45,382.68 = 16,203.11 : x
  2. Step 2: Convert to fraction form
    30,246.68/45,382.68 = 16,203.11/x
  3. Step 3: Cross multiply
    30,246.68x = 45,382.68 × 16,203.11
  4. Step 4: Simplify right side
    30,246.68x = 735,340,329.22
  5. Step 5: Solve for x
    x = 735,340,329.22/30,246.68
  6. Step 6: Final answer
    x = 24,311.44

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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.