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Finding the Fourth Proportional to 11,364.32, 17,044.24 and 5,820.64

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Solution

The fourth proportional to 11,364.32, 17,044.24 and 5,820.64 is: 8,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.32 : 17,044.24 = 5,820.64 : x
  2. Step 2: Convert to fraction form
    11,364.32/17,044.24 = 5,820.64/x
  3. Step 3: Cross multiply
    11,364.32x = 17,044.24 × 5,820.64
  4. Step 4: Simplify right side
    11,364.32x = 99,208,385.11
  5. Step 5: Solve for x
    x = 99,208,385.11/11,364.32
  6. Step 6: Final answer
    x = 8,729.81

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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.