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Finding the Fourth Proportional to 67,009.10, 100,477.20 and 27,570.20

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Solution

The fourth proportional to 67,009.10, 100,477.20 and 27,570.20 is: 41,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009.10 : 100,477.20 = 27,570.20 : x
  2. Step 2: Convert to fraction form
    67,009.10/100,477.20 = 27,570.20/x
  3. Step 3: Cross multiply
    67,009.10x = 100,477.20 × 27,570.20
  4. Step 4: Simplify right side
    67,009.10x = 2,770,176,499.44
  5. Step 5: Solve for x
    x = 2,770,176,499.44/67,009.10
  6. Step 6: Final answer
    x = 41,340.30

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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.