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Finding the Fourth Proportional to 16,827.88, 25,209.44 and 9,409.84

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Solution

The fourth proportional to 16,827.88, 25,209.44 and 9,409.84 is: 14,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.88 : 25,209.44 = 9,409.84 : x
  2. Step 2: Convert to fraction form
    16,827.88/25,209.44 = 9,409.84/x
  3. Step 3: Cross multiply
    16,827.88x = 25,209.44 × 9,409.84
  4. Step 4: Simplify right side
    16,827.88x = 237,216,796.89
  5. Step 5: Solve for x
    x = 237,216,796.89/16,827.88
  6. Step 6: Final answer
    x = 14,096.65

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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.