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Finding the Fourth Proportional to 11,485.98, 17,228.97 and 3,695.94

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Solution

The fourth proportional to 11,485.98, 17,228.97 and 3,695.94 is: 5,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.98 : 17,228.97 = 3,695.94 : x
  2. Step 2: Convert to fraction form
    11,485.98/17,228.97 = 3,695.94/x
  3. Step 3: Cross multiply
    11,485.98x = 17,228.97 × 3,695.94
  4. Step 4: Simplify right side
    11,485.98x = 63,677,239.38
  5. Step 5: Solve for x
    x = 63,677,239.38/11,485.98
  6. Step 6: Final answer
    x = 5,543.91

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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.