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Finding the Fourth Proportional to 11,954.79, 17,934.95 and 4,056.89

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Solution

The fourth proportional to 11,954.79, 17,934.95 and 4,056.89 is: 6,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.79 : 17,934.95 = 4,056.89 : x
  2. Step 2: Convert to fraction form
    11,954.79/17,934.95 = 4,056.89/x
  3. Step 3: Cross multiply
    11,954.79x = 17,934.95 × 4,056.89
  4. Step 4: Simplify right side
    11,954.79x = 72,760,119.31
  5. Step 5: Solve for x
    x = 72,760,119.31/11,954.79
  6. Step 6: Final answer
    x = 6,086.27

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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.