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Finding the Fourth Proportional to 16,464.00, 22,720.35 and 8,910.34

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Solution

The fourth proportional to 16,464.00, 22,720.35 and 8,910.34 is: 12,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.00 : 22,720.35 = 8,910.34 : x
  2. Step 2: Convert to fraction form
    16,464.00/22,720.35 = 8,910.34/x
  3. Step 3: Cross multiply
    16,464.00x = 22,720.35 × 8,910.34
  4. Step 4: Simplify right side
    16,464.00x = 202,445,986.62
  5. Step 5: Solve for x
    x = 202,445,986.62/16,464.00
  6. Step 6: Final answer
    x = 12,296.28

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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.