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Finding the Fourth Proportional to 17,202.40, 23,739.58 and 9,650.40

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Solution

The fourth proportional to 17,202.40, 23,739.58 and 9,650.40 is: 13,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.40 : 23,739.58 = 9,650.40 : x
  2. Step 2: Convert to fraction form
    17,202.40/23,739.58 = 9,650.40/x
  3. Step 3: Cross multiply
    17,202.40x = 23,739.58 × 9,650.40
  4. Step 4: Simplify right side
    17,202.40x = 229,096,442.83
  5. Step 5: Solve for x
    x = 229,096,442.83/17,202.40
  6. Step 6: Final answer
    x = 13,317.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.