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Finding the Fourth Proportional to 24,519.72, 33,840.72 and 13,765.74

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Solution

The fourth proportional to 24,519.72, 33,840.72 and 13,765.74 is: 18,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,519.72 : 33,840.72 = 13,765.74 : x
  2. Step 2: Convert to fraction form
    24,519.72/33,840.72 = 13,765.74/x
  3. Step 3: Cross multiply
    24,519.72x = 33,840.72 × 13,765.74
  4. Step 4: Simplify right side
    24,519.72x = 465,842,552.93
  5. Step 5: Solve for x
    x = 465,842,552.93/24,519.72
  6. Step 6: Final answer
    x = 18,998.69

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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.