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Finding the Fourth Proportional to 18,126.56, 27,191.46 and 7,032.98

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Solution

The fourth proportional to 18,126.56, 27,191.46 and 7,032.98 is: 10,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.56 : 27,191.46 = 7,032.98 : x
  2. Step 2: Convert to fraction form
    18,126.56/27,191.46 = 7,032.98/x
  3. Step 3: Cross multiply
    18,126.56x = 27,191.46 × 7,032.98
  4. Step 4: Simplify right side
    18,126.56x = 191,236,994.35
  5. Step 5: Solve for x
    x = 191,236,994.35/18,126.56
  6. Step 6: Final answer
    x = 10,550.10

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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.