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Finding the Fourth Proportional to 10,679.58, 14,743.22 and 7,323.75

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Solution

The fourth proportional to 10,679.58, 14,743.22 and 7,323.75 is: 10,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.58 : 14,743.22 = 7,323.75 : x
  2. Step 2: Convert to fraction form
    10,679.58/14,743.22 = 7,323.75/x
  3. Step 3: Cross multiply
    10,679.58x = 14,743.22 × 7,323.75
  4. Step 4: Simplify right side
    10,679.58x = 107,975,620.86
  5. Step 5: Solve for x
    x = 107,975,620.86/10,679.58
  6. Step 6: Final answer
    x = 10,110.47

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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.