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Finding the Fourth Proportional to 12,627.95, 18,942.02 and 5,606.07

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Solution

The fourth proportional to 12,627.95, 18,942.02 and 5,606.07 is: 8,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.95 : 18,942.02 = 5,606.07 : x
  2. Step 2: Convert to fraction form
    12,627.95/18,942.02 = 5,606.07/x
  3. Step 3: Cross multiply
    12,627.95x = 18,942.02 × 5,606.07
  4. Step 4: Simplify right side
    12,627.95x = 106,190,354.09
  5. Step 5: Solve for x
    x = 106,190,354.09/12,627.95
  6. Step 6: Final answer
    x = 8,409.15

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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.