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Finding the Fourth Proportional to 15,480.63, 23,221.77 and 9,243.63

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Solution

The fourth proportional to 15,480.63, 23,221.77 and 9,243.63 is: 13,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.63 : 23,221.77 = 9,243.63 : x
  2. Step 2: Convert to fraction form
    15,480.63/23,221.77 = 9,243.63/x
  3. Step 3: Cross multiply
    15,480.63x = 23,221.77 × 9,243.63
  4. Step 4: Simplify right side
    15,480.63x = 214,653,449.83
  5. Step 5: Solve for x
    x = 214,653,449.83/15,480.63
  6. Step 6: Final answer
    x = 13,865.94

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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.