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Finding the Fourth Proportional to 18,053.51, 27,080.82 and 4,906.16

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Solution

The fourth proportional to 18,053.51, 27,080.82 and 4,906.16 is: 7,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.51 : 27,080.82 = 4,906.16 : x
  2. Step 2: Convert to fraction form
    18,053.51/27,080.82 = 4,906.16/x
  3. Step 3: Cross multiply
    18,053.51x = 27,080.82 × 4,906.16
  4. Step 4: Simplify right side
    18,053.51x = 132,862,700.45
  5. Step 5: Solve for x
    x = 132,862,700.45/18,053.51
  6. Step 6: Final answer
    x = 7,359.39

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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.