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Finding the Fourth Proportional to 16,320.39, 24,484.80 and 6,955.71

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Solution

The fourth proportional to 16,320.39, 24,484.80 and 6,955.71 is: 10,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.39 : 24,484.80 = 6,955.71 : x
  2. Step 2: Convert to fraction form
    16,320.39/24,484.80 = 6,955.71/x
  3. Step 3: Cross multiply
    16,320.39x = 24,484.80 × 6,955.71
  4. Step 4: Simplify right side
    16,320.39x = 170,309,168.21
  5. Step 5: Solve for x
    x = 170,309,168.21/16,320.39
  6. Step 6: Final answer
    x = 10,435.36

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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.