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Finding the Fourth Proportional to 18,555.92, 25,606.64 and 10,597.98

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Solution

The fourth proportional to 18,555.92, 25,606.64 and 10,597.98 is: 14,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.92 : 25,606.64 = 10,597.98 : x
  2. Step 2: Convert to fraction form
    18,555.92/25,606.64 = 10,597.98/x
  3. Step 3: Cross multiply
    18,555.92x = 25,606.64 × 10,597.98
  4. Step 4: Simplify right side
    18,555.92x = 271,378,658.59
  5. Step 5: Solve for x
    x = 271,378,658.59/18,555.92
  6. Step 6: Final answer
    x = 14,624.91

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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.