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Finding the Fourth Proportional to 18,303.68, 27,458.76 and 6,633.20

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Solution

The fourth proportional to 18,303.68, 27,458.76 and 6,633.20 is: 9,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.68 : 27,458.76 = 6,633.20 : x
  2. Step 2: Convert to fraction form
    18,303.68/27,458.76 = 6,633.20/x
  3. Step 3: Cross multiply
    18,303.68x = 27,458.76 × 6,633.20
  4. Step 4: Simplify right side
    18,303.68x = 182,139,446.83
  5. Step 5: Solve for x
    x = 182,139,446.83/18,303.68
  6. Step 6: Final answer
    x = 9,950.97

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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.