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Finding the Fourth Proportional to 11,207.70, 16,810.20 and 4,633.20

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Solution

The fourth proportional to 11,207.70, 16,810.20 and 4,633.20 is: 6,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.70 : 16,810.20 = 4,633.20 : x
  2. Step 2: Convert to fraction form
    11,207.70/16,810.20 = 4,633.20/x
  3. Step 3: Cross multiply
    11,207.70x = 16,810.20 × 4,633.20
  4. Step 4: Simplify right side
    11,207.70x = 77,885,018.64
  5. Step 5: Solve for x
    x = 77,885,018.64/11,207.70
  6. Step 6: Final answer
    x = 6,949.24

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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.