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Finding the Fourth Proportional to 17,469.30, 24,106.92 and 9,915.48

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Solution

The fourth proportional to 17,469.30, 24,106.92 and 9,915.48 is: 13,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.30 : 24,106.92 = 9,915.48 : x
  2. Step 2: Convert to fraction form
    17,469.30/24,106.92 = 9,915.48/x
  3. Step 3: Cross multiply
    17,469.30x = 24,106.92 × 9,915.48
  4. Step 4: Simplify right side
    17,469.30x = 239,031,683.12
  5. Step 5: Solve for x
    x = 239,031,683.12/17,469.30
  6. Step 6: Final answer
    x = 13,682.96

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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.