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Finding the Fourth Proportional to 18,499.66, 27,753.62 and 5,353.04

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Solution

The fourth proportional to 18,499.66, 27,753.62 and 5,353.04 is: 8,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.66 : 27,753.62 = 5,353.04 : x
  2. Step 2: Convert to fraction form
    18,499.66/27,753.62 = 5,353.04/x
  3. Step 3: Cross multiply
    18,499.66x = 27,753.62 × 5,353.04
  4. Step 4: Simplify right side
    18,499.66x = 148,566,238.00
  5. Step 5: Solve for x
    x = 148,566,238.00/18,499.66
  6. Step 6: Final answer
    x = 8,030.76

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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.