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Finding the Fourth Proportional to 17,809.44, 26,701.20 and 8,564.64

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Solution

The fourth proportional to 17,809.44, 26,701.20 and 8,564.64 is: 12,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.44 : 26,701.20 = 8,564.64 : x
  2. Step 2: Convert to fraction form
    17,809.44/26,701.20 = 8,564.64/x
  3. Step 3: Cross multiply
    17,809.44x = 26,701.20 × 8,564.64
  4. Step 4: Simplify right side
    17,809.44x = 228,686,165.57
  5. Step 5: Solve for x
    x = 228,686,165.57/17,809.44
  6. Step 6: Final answer
    x = 12,840.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.