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Finding the Fourth Proportional to 18,234.34, 27,346.95 and 5,086.18

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Solution

The fourth proportional to 18,234.34, 27,346.95 and 5,086.18 is: 7,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.34 : 27,346.95 = 5,086.18 : x
  2. Step 2: Convert to fraction form
    18,234.34/27,346.95 = 5,086.18/x
  3. Step 3: Cross multiply
    18,234.34x = 27,346.95 × 5,086.18
  4. Step 4: Simplify right side
    18,234.34x = 139,091,510.15
  5. Step 5: Solve for x
    x = 139,091,510.15/18,234.34
  6. Step 6: Final answer
    x = 7,628.00

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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.