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Finding the Fourth Proportional to 66,954.48, 100,464.48 and 26,971.80

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Solution

The fourth proportional to 66,954.48, 100,464.48 and 26,971.80 is: 40,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.48 : 100,464.48 = 26,971.80 : x
  2. Step 2: Convert to fraction form
    66,954.48/100,464.48 = 26,971.80/x
  3. Step 3: Cross multiply
    66,954.48x = 100,464.48 × 26,971.80
  4. Step 4: Simplify right side
    66,954.48x = 2,709,707,861.66
  5. Step 5: Solve for x
    x = 2,709,707,861.66/66,954.48
  6. Step 6: Final answer
    x = 40,470.90

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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.