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Finding the Fourth Proportional to 11,117.99, 16,676.99 and 4,457.49

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Solution

The fourth proportional to 11,117.99, 16,676.99 and 4,457.49 is: 6,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.99 : 16,676.99 = 4,457.49 : x
  2. Step 2: Convert to fraction form
    11,117.99/16,676.99 = 4,457.49/x
  3. Step 3: Cross multiply
    11,117.99x = 16,676.99 × 4,457.49
  4. Step 4: Simplify right side
    11,117.99x = 74,337,516.16
  5. Step 5: Solve for x
    x = 74,337,516.16/11,117.99
  6. Step 6: Final answer
    x = 6,686.24

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Similar ratio
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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.