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Finding the Fourth Proportional to 18,291.63, 27,424.96 and 8,798.94

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Solution

The fourth proportional to 18,291.63, 27,424.96 and 8,798.94 is: 13,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.63 : 27,424.96 = 8,798.94 : x
  2. Step 2: Convert to fraction form
    18,291.63/27,424.96 = 8,798.94/x
  3. Step 3: Cross multiply
    18,291.63x = 27,424.96 × 8,798.94
  4. Step 4: Simplify right side
    18,291.63x = 241,310,577.54
  5. Step 5: Solve for x
    x = 241,310,577.54/18,291.63
  6. Step 6: Final answer
    x = 13,192.40

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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.