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Finding the Fourth Proportional to 12,050, 16,630.92 and 7,081.04

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Solution

The fourth proportional to 12,050, 16,630.92 and 7,081.04 is: 9,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050 : 16,630.92 = 7,081.04 : x
  2. Step 2: Convert to fraction form
    12,050/16,630.92 = 7,081.04/x
  3. Step 3: Cross multiply
    12,050x = 16,630.92 × 7,081.04
  4. Step 4: Simplify right side
    12,050x = 117,764,209.76
  5. Step 5: Solve for x
    x = 117,764,209.76/12,050
  6. Step 6: Final answer
    x = 9,772.96

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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.