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Finding the Fourth Proportional to 11,376.84, 17,065.26 and 11,360.42

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Solution

The fourth proportional to 11,376.84, 17,065.26 and 11,360.42 is: 17,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.84 : 17,065.26 = 11,360.42 : x
  2. Step 2: Convert to fraction form
    11,376.84/17,065.26 = 11,360.42/x
  3. Step 3: Cross multiply
    11,376.84x = 17,065.26 × 11,360.42
  4. Step 4: Simplify right side
    11,376.84x = 193,868,499.68
  5. Step 5: Solve for x
    x = 193,868,499.68/11,376.84
  6. Step 6: Final answer
    x = 17,040.62

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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.