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Finding the Fourth Proportional to 11,117.40, 16,676.10 and 11,008.05

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Solution

The fourth proportional to 11,117.40, 16,676.10 and 11,008.05 is: 16,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.40 : 16,676.10 = 11,008.05 : x
  2. Step 2: Convert to fraction form
    11,117.40/16,676.10 = 11,008.05/x
  3. Step 3: Cross multiply
    11,117.40x = 16,676.10 × 11,008.05
  4. Step 4: Simplify right side
    11,117.40x = 183,571,342.61
  5. Step 5: Solve for x
    x = 183,571,342.61/11,117.40
  6. Step 6: Final answer
    x = 16,512.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.