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Finding the Fourth Proportional to 16,656.58, 24,984.60 and 7,897.78

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Solution

The fourth proportional to 16,656.58, 24,984.60 and 7,897.78 is: 11,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.58 : 24,984.60 = 7,897.78 : x
  2. Step 2: Convert to fraction form
    16,656.58/24,984.60 = 7,897.78/x
  3. Step 3: Cross multiply
    16,656.58x = 24,984.60 × 7,897.78
  4. Step 4: Simplify right side
    16,656.58x = 197,322,874.19
  5. Step 5: Solve for x
    x = 197,322,874.19/16,656.58
  6. Step 6: Final answer
    x = 11,846.54

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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.