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Finding the Fourth Proportional to 66,777.16, 100,204.64 and 25,227.40

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Solution

The fourth proportional to 66,777.16, 100,204.64 and 25,227.40 is: 37,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.16 : 100,204.64 = 25,227.40 : x
  2. Step 2: Convert to fraction form
    66,777.16/100,204.64 = 25,227.40/x
  3. Step 3: Cross multiply
    66,777.16x = 100,204.64 × 25,227.40
  4. Step 4: Simplify right side
    66,777.16x = 2,527,902,535.14
  5. Step 5: Solve for x
    x = 2,527,902,535.14/66,777.16
  6. Step 6: Final answer
    x = 37,855.80

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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.