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Finding the Fourth Proportional to 17,703.40, 24,429.81 and 9,745.42

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Solution

The fourth proportional to 17,703.40, 24,429.81 and 9,745.42 is: 13,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.40 : 24,429.81 = 9,745.42 : x
  2. Step 2: Convert to fraction form
    17,703.40/24,429.81 = 9,745.42/x
  3. Step 3: Cross multiply
    17,703.40x = 24,429.81 × 9,745.42
  4. Step 4: Simplify right side
    17,703.40x = 238,078,758.97
  5. Step 5: Solve for x
    x = 238,078,758.97/17,703.40
  6. Step 6: Final answer
    x = 13,448.19

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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.