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Finding the Fourth Proportional to 23,169.74, 34,742.13 and 7,370.48

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Solution

The fourth proportional to 23,169.74, 34,742.13 and 7,370.48 is: 11,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.74 : 34,742.13 = 7,370.48 : x
  2. Step 2: Convert to fraction form
    23,169.74/34,742.13 = 7,370.48/x
  3. Step 3: Cross multiply
    23,169.74x = 34,742.13 × 7,370.48
  4. Step 4: Simplify right side
    23,169.74x = 256,066,000.61
  5. Step 5: Solve for x
    x = 256,066,000.61/23,169.74
  6. Step 6: Final answer
    x = 11,051.74

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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.