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Finding the Fourth Proportional to 17,386.92, 23,993.93 and 9,429.14

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Solution

The fourth proportional to 17,386.92, 23,993.93 and 9,429.14 is: 13,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.92 : 23,993.93 = 9,429.14 : x
  2. Step 2: Convert to fraction form
    17,386.92/23,993.93 = 9,429.14/x
  3. Step 3: Cross multiply
    17,386.92x = 23,993.93 × 9,429.14
  4. Step 4: Simplify right side
    17,386.92x = 226,241,958.00
  5. Step 5: Solve for x
    x = 226,241,958.00/17,386.92
  6. Step 6: Final answer
    x = 13,012.19

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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.