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Finding the Fourth Proportional to 17,009.73, 23,472.07 and 9,455.47

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Solution

The fourth proportional to 17,009.73, 23,472.07 and 9,455.47 is: 13,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.73 : 23,472.07 = 9,455.47 : x
  2. Step 2: Convert to fraction form
    17,009.73/23,472.07 = 9,455.47/x
  3. Step 3: Cross multiply
    17,009.73x = 23,472.07 × 9,455.47
  4. Step 4: Simplify right side
    17,009.73x = 221,939,371.40
  5. Step 5: Solve for x
    x = 221,939,371.40/17,009.73
  6. Step 6: Final answer
    x = 13,047.79

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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.