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Finding the Fourth Proportional to 17,420.65, 24,040.62 and 9,462.87

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Solution

The fourth proportional to 17,420.65, 24,040.62 and 9,462.87 is: 13,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.65 : 24,040.62 = 9,462.87 : x
  2. Step 2: Convert to fraction form
    17,420.65/24,040.62 = 9,462.87/x
  3. Step 3: Cross multiply
    17,420.65x = 24,040.62 × 9,462.87
  4. Step 4: Simplify right side
    17,420.65x = 227,493,340.10
  5. Step 5: Solve for x
    x = 227,493,340.10/17,420.65
  6. Step 6: Final answer
    x = 13,058.83

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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.