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Finding the Fourth Proportional to 11,357.81, 17,036.79 and 3,962.24

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Solution

The fourth proportional to 11,357.81, 17,036.79 and 3,962.24 is: 5,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.81 : 17,036.79 = 3,962.24 : x
  2. Step 2: Convert to fraction form
    11,357.81/17,036.79 = 3,962.24/x
  3. Step 3: Cross multiply
    11,357.81x = 17,036.79 × 3,962.24
  4. Step 4: Simplify right side
    11,357.81x = 67,503,893.40
  5. Step 5: Solve for x
    x = 67,503,893.40/11,357.81
  6. Step 6: Final answer
    x = 5,943.39

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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.