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Finding the Fourth Proportional to 12,601.10, 18,900.02 and 5,204.57

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Solution

The fourth proportional to 12,601.10, 18,900.02 and 5,204.57 is: 7,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.10 : 18,900.02 = 5,204.57 : x
  2. Step 2: Convert to fraction form
    12,601.10/18,900.02 = 5,204.57/x
  3. Step 3: Cross multiply
    12,601.10x = 18,900.02 × 5,204.57
  4. Step 4: Simplify right side
    12,601.10x = 98,366,356.57
  5. Step 5: Solve for x
    x = 98,366,356.57/12,601.10
  6. Step 6: Final answer
    x = 7,806.18

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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.