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Finding the Fourth Proportional to 40,205.80, 60,330.30 and 16,834.60

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Solution

The fourth proportional to 40,205.80, 60,330.30 and 16,834.60 is: 25,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.80 : 60,330.30 = 16,834.60 : x
  2. Step 2: Convert to fraction form
    40,205.80/60,330.30 = 16,834.60/x
  3. Step 3: Cross multiply
    40,205.80x = 60,330.30 × 16,834.60
  4. Step 4: Simplify right side
    40,205.80x = 1,015,636,468.38
  5. Step 5: Solve for x
    x = 1,015,636,468.38/40,205.80
  6. Step 6: Final answer
    x = 25,260.94

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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.