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Finding the Fourth Proportional to 18,004.63, 26,973.15 and 6,903.78

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Solution

The fourth proportional to 18,004.63, 26,973.15 and 6,903.78 is: 10,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.63 : 26,973.15 = 6,903.78 : x
  2. Step 2: Convert to fraction form
    18,004.63/26,973.15 = 6,903.78/x
  3. Step 3: Cross multiply
    18,004.63x = 26,973.15 × 6,903.78
  4. Step 4: Simplify right side
    18,004.63x = 186,216,757.03
  5. Step 5: Solve for x
    x = 186,216,757.03/18,004.63
  6. Step 6: Final answer
    x = 10,342.72

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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.