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Finding the Fourth Proportional to 22,761.51, 34,135.58 and 7,967.67

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Solution

The fourth proportional to 22,761.51, 34,135.58 and 7,967.67 is: 11,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.51 : 34,135.58 = 7,967.67 : x
  2. Step 2: Convert to fraction form
    22,761.51/34,135.58 = 7,967.67/x
  3. Step 3: Cross multiply
    22,761.51x = 34,135.58 × 7,967.67
  4. Step 4: Simplify right side
    22,761.51x = 271,980,996.86
  5. Step 5: Solve for x
    x = 271,980,996.86/22,761.51
  6. Step 6: Final answer
    x = 11,949.16

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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.