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Finding the Fourth Proportional to 15,623.22, 23,434.02 and 5,761.68

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Solution

The fourth proportional to 15,623.22, 23,434.02 and 5,761.68 is: 8,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.22 : 23,434.02 = 5,761.68 : x
  2. Step 2: Convert to fraction form
    15,623.22/23,434.02 = 5,761.68/x
  3. Step 3: Cross multiply
    15,623.22x = 23,434.02 × 5,761.68
  4. Step 4: Simplify right side
    15,623.22x = 135,019,324.35
  5. Step 5: Solve for x
    x = 135,019,324.35/15,623.22
  6. Step 6: Final answer
    x = 8,642.22

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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.