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Finding the Fourth Proportional to 16,918.88, 23,349.15 and 9,466.88

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Solution

The fourth proportional to 16,918.88, 23,349.15 and 9,466.88 is: 13,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.88 : 23,349.15 = 9,466.88 : x
  2. Step 2: Convert to fraction form
    16,918.88/23,349.15 = 9,466.88/x
  3. Step 3: Cross multiply
    16,918.88x = 23,349.15 × 9,466.88
  4. Step 4: Simplify right side
    16,918.88x = 221,043,484.41
  5. Step 5: Solve for x
    x = 221,043,484.41/16,918.88
  6. Step 6: Final answer
    x = 13,064.90

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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.