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Finding the Fourth Proportional to 7,039.44, 9,714.12 and 4,244.40

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Solution

The fourth proportional to 7,039.44, 9,714.12 and 4,244.40 is: 5,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.44 : 9,714.12 = 4,244.40 : x
  2. Step 2: Convert to fraction form
    7,039.44/9,714.12 = 4,244.40/x
  3. Step 3: Cross multiply
    7,039.44x = 9,714.12 × 4,244.40
  4. Step 4: Simplify right side
    7,039.44x = 41,230,610.93
  5. Step 5: Solve for x
    x = 41,230,610.93/7,039.44
  6. Step 6: Final answer
    x = 5,857.09

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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.