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Finding the Fourth Proportional to 14,676.96, 22,008.12 and 4,815.12

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Solution

The fourth proportional to 14,676.96, 22,008.12 and 4,815.12 is: 7,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.96 : 22,008.12 = 4,815.12 : x
  2. Step 2: Convert to fraction form
    14,676.96/22,008.12 = 4,815.12/x
  3. Step 3: Cross multiply
    14,676.96x = 22,008.12 × 4,815.12
  4. Step 4: Simplify right side
    14,676.96x = 105,971,738.77
  5. Step 5: Solve for x
    x = 105,971,738.77/14,676.96
  6. Step 6: Final answer
    x = 7,220.28

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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.