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Finding the Fourth Proportional to 14,676.53, 22,021.07 and 7,661.79

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Solution

The fourth proportional to 14,676.53, 22,021.07 and 7,661.79 is: 11,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.53 : 22,021.07 = 7,661.79 : x
  2. Step 2: Convert to fraction form
    14,676.53/22,021.07 = 7,661.79/x
  3. Step 3: Cross multiply
    14,676.53x = 22,021.07 × 7,661.79
  4. Step 4: Simplify right side
    14,676.53x = 168,720,775.61
  5. Step 5: Solve for x
    x = 168,720,775.61/14,676.53
  6. Step 6: Final answer
    x = 11,495.96

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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.