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Finding the Fourth Proportional to 7,279.20, 10,044 and 6,283.44

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Solution

The fourth proportional to 7,279.20, 10,044 and 6,283.44 is: 8,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.20 : 10,044 = 6,283.44 : x
  2. Step 2: Convert to fraction form
    7,279.20/10,044 = 6,283.44/x
  3. Step 3: Cross multiply
    7,279.20x = 10,044 × 6,283.44
  4. Step 4: Simplify right side
    7,279.20x = 63,110,871.36
  5. Step 5: Solve for x
    x = 63,110,871.36/7,279.20
  6. Step 6: Final answer
    x = 8,670.03

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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.