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Finding the Fourth Proportional to 7,673.60, 10,596.21 and 7,279.94

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Solution

The fourth proportional to 7,673.60, 10,596.21 and 7,279.94 is: 10,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.60 : 10,596.21 = 7,279.94 : x
  2. Step 2: Convert to fraction form
    7,673.60/10,596.21 = 7,279.94/x
  3. Step 3: Cross multiply
    7,673.60x = 10,596.21 × 7,279.94
  4. Step 4: Simplify right side
    7,673.60x = 77,139,773.03
  5. Step 5: Solve for x
    x = 77,139,773.03/7,673.60
  6. Step 6: Final answer
    x = 10,052.62

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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.