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Finding the Fourth Proportional to 39,161.26, 58,742.02 and 11,459.26

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Solution

The fourth proportional to 39,161.26, 58,742.02 and 11,459.26 is: 17,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.26 : 58,742.02 = 11,459.26 : x
  2. Step 2: Convert to fraction form
    39,161.26/58,742.02 = 11,459.26/x
  3. Step 3: Cross multiply
    39,161.26x = 58,742.02 × 11,459.26
  4. Step 4: Simplify right side
    39,161.26x = 673,140,080.11
  5. Step 5: Solve for x
    x = 673,140,080.11/39,161.26
  6. Step 6: Final answer
    x = 17,188.93

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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.