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Finding the Fourth Proportional to 43,370.08, 65,047.68 and 12,198.08

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Solution

The fourth proportional to 43,370.08, 65,047.68 and 12,198.08 is: 18,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.08 : 65,047.68 = 12,198.08 : x
  2. Step 2: Convert to fraction form
    43,370.08/65,047.68 = 12,198.08/x
  3. Step 3: Cross multiply
    43,370.08x = 65,047.68 × 12,198.08
  4. Step 4: Simplify right side
    43,370.08x = 793,456,804.45
  5. Step 5: Solve for x
    x = 793,456,804.45/43,370.08
  6. Step 6: Final answer
    x = 18,295.03

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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.