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Finding the Fourth Proportional to 16,615.81, 24,926.86 and 5,374.17

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Solution

The fourth proportional to 16,615.81, 24,926.86 and 5,374.17 is: 8,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.81 : 24,926.86 = 5,374.17 : x
  2. Step 2: Convert to fraction form
    16,615.81/24,926.86 = 5,374.17/x
  3. Step 3: Cross multiply
    16,615.81x = 24,926.86 × 5,374.17
  4. Step 4: Simplify right side
    16,615.81x = 133,961,189.92
  5. Step 5: Solve for x
    x = 133,961,189.92/16,615.81
  6. Step 6: Final answer
    x = 8,062.27

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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.