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Finding the Fourth Proportional to 16,222.80, 24,337.80 and 7,455.60

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Solution

The fourth proportional to 16,222.80, 24,337.80 and 7,455.60 is: 11,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.80 : 24,337.80 = 7,455.60 : x
  2. Step 2: Convert to fraction form
    16,222.80/24,337.80 = 7,455.60/x
  3. Step 3: Cross multiply
    16,222.80x = 24,337.80 × 7,455.60
  4. Step 4: Simplify right side
    16,222.80x = 181,452,901.68
  5. Step 5: Solve for x
    x = 181,452,901.68/16,222.80
  6. Step 6: Final answer
    x = 11,185.05

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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.