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Finding the Fourth Proportional to 18,053.04, 27,083.88 and 9,146.16

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Solution

The fourth proportional to 18,053.04, 27,083.88 and 9,146.16 is: 13,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.04 : 27,083.88 = 9,146.16 : x
  2. Step 2: Convert to fraction form
    18,053.04/27,083.88 = 9,146.16/x
  3. Step 3: Cross multiply
    18,053.04x = 27,083.88 × 9,146.16
  4. Step 4: Simplify right side
    18,053.04x = 247,713,499.90
  5. Step 5: Solve for x
    x = 247,713,499.90/18,053.04
  6. Step 6: Final answer
    x = 13,721.43

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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.