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Finding the Fourth Proportional to 13,597.14, 18,764.00 and 7,628.83

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Solution

The fourth proportional to 13,597.14, 18,764.00 and 7,628.83 is: 10,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.14 : 18,764.00 = 7,628.83 : x
  2. Step 2: Convert to fraction form
    13,597.14/18,764.00 = 7,628.83/x
  3. Step 3: Cross multiply
    13,597.14x = 18,764.00 × 7,628.83
  4. Step 4: Simplify right side
    13,597.14x = 143,147,458.13
  5. Step 5: Solve for x
    x = 143,147,458.13/13,597.14
  6. Step 6: Final answer
    x = 10,527.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.