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Finding the Fourth Proportional to 16,615.54, 24,918.42 and 6,224.86

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Solution

The fourth proportional to 16,615.54, 24,918.42 and 6,224.86 is: 9,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.54 : 24,918.42 = 6,224.86 : x
  2. Step 2: Convert to fraction form
    16,615.54/24,918.42 = 6,224.86/x
  3. Step 3: Cross multiply
    16,615.54x = 24,918.42 × 6,224.86
  4. Step 4: Simplify right side
    16,615.54x = 155,113,675.92
  5. Step 5: Solve for x
    x = 155,113,675.92/16,615.54
  6. Step 6: Final answer
    x = 9,335.46

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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.