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Finding the Fourth Proportional to 18,548.76, 27,815.76 and 10,763.04

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Solution

The fourth proportional to 18,548.76, 27,815.76 and 10,763.04 is: 16,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.76 : 27,815.76 = 10,763.04 : x
  2. Step 2: Convert to fraction form
    18,548.76/27,815.76 = 10,763.04/x
  3. Step 3: Cross multiply
    18,548.76x = 27,815.76 × 10,763.04
  4. Step 4: Simplify right side
    18,548.76x = 299,382,137.51
  5. Step 5: Solve for x
    x = 299,382,137.51/18,548.76
  6. Step 6: Final answer
    x = 16,140.28

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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.