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Finding the Fourth Proportional to 12,295.58, 16,962.77 and 8,047.67

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Solution

The fourth proportional to 12,295.58, 16,962.77 and 8,047.67 is: 11,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.58 : 16,962.77 = 8,047.67 : x
  2. Step 2: Convert to fraction form
    12,295.58/16,962.77 = 8,047.67/x
  3. Step 3: Cross multiply
    12,295.58x = 16,962.77 × 8,047.67
  4. Step 4: Simplify right side
    12,295.58x = 136,510,735.01
  5. Step 5: Solve for x
    x = 136,510,735.01/12,295.58
  6. Step 6: Final answer
    x = 11,102.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.