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Finding the Fourth Proportional to 66,668.16, 100,002.32 and 27,225.26

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Solution

The fourth proportional to 66,668.16, 100,002.32 and 27,225.26 is: 40,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,668.16 : 100,002.32 = 27,225.26 : x
  2. Step 2: Convert to fraction form
    66,668.16/100,002.32 = 27,225.26/x
  3. Step 3: Cross multiply
    66,668.16x = 100,002.32 × 27,225.26
  4. Step 4: Simplify right side
    66,668.16x = 2,722,589,162.60
  5. Step 5: Solve for x
    x = 2,722,589,162.60/66,668.16
  6. Step 6: Final answer
    x = 40,837.92

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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.