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Finding the Fourth Proportional to 11,497.88, 17,250.98 and 5,658.59

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Solution

The fourth proportional to 11,497.88, 17,250.98 and 5,658.59 is: 8,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.88 : 17,250.98 = 5,658.59 : x
  2. Step 2: Convert to fraction form
    11,497.88/17,250.98 = 5,658.59/x
  3. Step 3: Cross multiply
    11,497.88x = 17,250.98 × 5,658.59
  4. Step 4: Simplify right side
    11,497.88x = 97,616,108.37
  5. Step 5: Solve for x
    x = 97,616,108.37/11,497.88
  6. Step 6: Final answer
    x = 8,489.93

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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.