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Finding the Fourth Proportional to 12,646.93, 18,961.02 and 6,066.85

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Solution

The fourth proportional to 12,646.93, 18,961.02 and 6,066.85 is: 9,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.93 : 18,961.02 = 6,066.85 : x
  2. Step 2: Convert to fraction form
    12,646.93/18,961.02 = 6,066.85/x
  3. Step 3: Cross multiply
    12,646.93x = 18,961.02 × 6,066.85
  4. Step 4: Simplify right side
    12,646.93x = 115,033,664.19
  5. Step 5: Solve for x
    x = 115,033,664.19/12,646.93
  6. Step 6: Final answer
    x = 9,095.78

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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.