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Finding the Fourth Proportional to 16,645.05, 22,931.12 and 11,600.10

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Solution

The fourth proportional to 16,645.05, 22,931.12 and 11,600.10 is: 15,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.05 : 22,931.12 = 11,600.10 : x
  2. Step 2: Convert to fraction form
    16,645.05/22,931.12 = 11,600.10/x
  3. Step 3: Cross multiply
    16,645.05x = 22,931.12 × 11,600.10
  4. Step 4: Simplify right side
    16,645.05x = 266,003,227.11
  5. Step 5: Solve for x
    x = 266,003,227.11/16,645.05
  6. Step 6: Final answer
    x = 15,980.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.