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Finding the Fourth Proportional to 11,842.36, 17,765.04 and 3,522.64

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Solution

The fourth proportional to 11,842.36, 17,765.04 and 3,522.64 is: 5,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.36 : 17,765.04 = 3,522.64 : x
  2. Step 2: Convert to fraction form
    11,842.36/17,765.04 = 3,522.64/x
  3. Step 3: Cross multiply
    11,842.36x = 17,765.04 × 3,522.64
  4. Step 4: Simplify right side
    11,842.36x = 62,579,840.51
  5. Step 5: Solve for x
    x = 62,579,840.51/11,842.36
  6. Step 6: Final answer
    x = 5,284.41

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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.