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Finding the Fourth Proportional to 17,232.38, 23,780.70 and 9,780.38

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Solution

The fourth proportional to 17,232.38, 23,780.70 and 9,780.38 is: 13,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232.38 : 23,780.70 = 9,780.38 : x
  2. Step 2: Convert to fraction form
    17,232.38/23,780.70 = 9,780.38/x
  3. Step 3: Cross multiply
    17,232.38x = 23,780.70 × 9,780.38
  4. Step 4: Simplify right side
    17,232.38x = 232,584,163.76
  5. Step 5: Solve for x
    x = 232,584,163.76/17,232.38
  6. Step 6: Final answer
    x = 13,496.93

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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.