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Finding the Fourth Proportional to 17,610.40, 26,427.05 and 7,624.90

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Solution

The fourth proportional to 17,610.40, 26,427.05 and 7,624.90 is: 11,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.40 : 26,427.05 = 7,624.90 : x
  2. Step 2: Convert to fraction form
    17,610.40/26,427.05 = 7,624.90/x
  3. Step 3: Cross multiply
    17,610.40x = 26,427.05 × 7,624.90
  4. Step 4: Simplify right side
    17,610.40x = 201,503,610.93
  5. Step 5: Solve for x
    x = 201,503,610.93/17,610.40
  6. Step 6: Final answer
    x = 11,442.31

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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.