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Finding the Fourth Proportional to 28,797.85, 43,118.88 and 14,917.69

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Solution

The fourth proportional to 28,797.85, 43,118.88 and 14,917.69 is: 22,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.85 : 43,118.88 = 14,917.69 : x
  2. Step 2: Convert to fraction form
    28,797.85/43,118.88 = 14,917.69/x
  3. Step 3: Cross multiply
    28,797.85x = 43,118.88 × 14,917.69
  4. Step 4: Simplify right side
    28,797.85x = 643,234,084.99
  5. Step 5: Solve for x
    x = 643,234,084.99/28,797.85
  6. Step 6: Final answer
    x = 22,336.18

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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.