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Finding the Fourth Proportional to 17,635.70, 26,453.79 and 6,538.10

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Solution

The fourth proportional to 17,635.70, 26,453.79 and 6,538.10 is: 9,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,635.70 : 26,453.79 = 6,538.10 : x
  2. Step 2: Convert to fraction form
    17,635.70/26,453.79 = 6,538.10/x
  3. Step 3: Cross multiply
    17,635.70x = 26,453.79 × 6,538.10
  4. Step 4: Simplify right side
    17,635.70x = 172,957,524.40
  5. Step 5: Solve for x
    x = 172,957,524.40/17,635.70
  6. Step 6: Final answer
    x = 9,807.24

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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.