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Finding the Fourth Proportional to 16,615.86, 24,920.28 and 4,926.30

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Solution

The fourth proportional to 16,615.86, 24,920.28 and 4,926.30 is: 7,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.86 : 24,920.28 = 4,926.30 : x
  2. Step 2: Convert to fraction form
    16,615.86/24,920.28 = 4,926.30/x
  3. Step 3: Cross multiply
    16,615.86x = 24,920.28 × 4,926.30
  4. Step 4: Simplify right side
    16,615.86x = 122,764,775.36
  5. Step 5: Solve for x
    x = 122,764,775.36/16,615.86
  6. Step 6: Final answer
    x = 7,388.41

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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.