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Finding the Fourth Proportional to 17,405.72, 24,019.92 and 9,447.96

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Solution

The fourth proportional to 17,405.72, 24,019.92 and 9,447.96 is: 13,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.72 : 24,019.92 = 9,447.96 : x
  2. Step 2: Convert to fraction form
    17,405.72/24,019.92 = 9,447.96/x
  3. Step 3: Cross multiply
    17,405.72x = 24,019.92 × 9,447.96
  4. Step 4: Simplify right side
    17,405.72x = 226,939,243.36
  5. Step 5: Solve for x
    x = 226,939,243.36/17,405.72
  6. Step 6: Final answer
    x = 13,038.20

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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.