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Finding the Fourth Proportional to 23,491.48, 35,237.24 and 7,909.12

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Solution

The fourth proportional to 23,491.48, 35,237.24 and 7,909.12 is: 11,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.48 : 35,237.24 = 7,909.12 : x
  2. Step 2: Convert to fraction form
    23,491.48/35,237.24 = 7,909.12/x
  3. Step 3: Cross multiply
    23,491.48x = 35,237.24 × 7,909.12
  4. Step 4: Simplify right side
    23,491.48x = 278,695,559.63
  5. Step 5: Solve for x
    x = 278,695,559.63/23,491.48
  6. Step 6: Final answer
    x = 11,863.69

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Double scale
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Similar ratio
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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.