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Finding the Fourth Proportional to 11,361.66, 17,035.20 and 7,461.51

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Solution

The fourth proportional to 11,361.66, 17,035.20 and 7,461.51 is: 11,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.66 : 17,035.20 = 7,461.51 : x
  2. Step 2: Convert to fraction form
    11,361.66/17,035.20 = 7,461.51/x
  3. Step 3: Cross multiply
    11,361.66x = 17,035.20 × 7,461.51
  4. Step 4: Simplify right side
    11,361.66x = 127,108,315.15
  5. Step 5: Solve for x
    x = 127,108,315.15/11,361.66
  6. Step 6: Final answer
    x = 11,187.48

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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.