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Finding the Fourth Proportional to 18,555.63, 27,836.93 and 7,463.17

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Solution

The fourth proportional to 18,555.63, 27,836.93 and 7,463.17 is: 11,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.63 : 27,836.93 = 7,463.17 : x
  2. Step 2: Convert to fraction form
    18,555.63/27,836.93 = 7,463.17/x
  3. Step 3: Cross multiply
    18,555.63x = 27,836.93 × 7,463.17
  4. Step 4: Simplify right side
    18,555.63x = 207,751,740.87
  5. Step 5: Solve for x
    x = 207,751,740.87/18,555.63
  6. Step 6: Final answer
    x = 11,196.16

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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.