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Finding the Fourth Proportional to 28,964.67, 43,444.28 and 9,239.76

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Solution

The fourth proportional to 28,964.67, 43,444.28 and 9,239.76 is: 13,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.67 : 43,444.28 = 9,239.76 : x
  2. Step 2: Convert to fraction form
    28,964.67/43,444.28 = 9,239.76/x
  3. Step 3: Cross multiply
    28,964.67x = 43,444.28 × 9,239.76
  4. Step 4: Simplify right side
    28,964.67x = 401,414,674.37
  5. Step 5: Solve for x
    x = 401,414,674.37/28,964.67
  6. Step 6: Final answer
    x = 13,858.77

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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.