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Finding the Fourth Proportional to 17,230.40, 25,849.44 and 9,437.12

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Solution

The fourth proportional to 17,230.40, 25,849.44 and 9,437.12 is: 14,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.40 : 25,849.44 = 9,437.12 : x
  2. Step 2: Convert to fraction form
    17,230.40/25,849.44 = 9,437.12/x
  3. Step 3: Cross multiply
    17,230.40x = 25,849.44 × 9,437.12
  4. Step 4: Simplify right side
    17,230.40x = 243,944,267.21
  5. Step 5: Solve for x
    x = 243,944,267.21/17,230.40
  6. Step 6: Final answer
    x = 14,157.78

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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.