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Finding the Fourth Proportional to 16,995.67, 25,509.73 and 10,434.67

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Solution

The fourth proportional to 16,995.67, 25,509.73 and 10,434.67 is: 15,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.67 : 25,509.73 = 10,434.67 : x
  2. Step 2: Convert to fraction form
    16,995.67/25,509.73 = 10,434.67/x
  3. Step 3: Cross multiply
    16,995.67x = 25,509.73 × 10,434.67
  4. Step 4: Simplify right side
    16,995.67x = 266,185,614.34
  5. Step 5: Solve for x
    x = 266,185,614.34/16,995.67
  6. Step 6: Final answer
    x = 15,661.97

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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.